*denotes peer-reviewed publication
*Keller, S.M., and Morgan, M.L., 2024, Investigations in the Late Eocene Castle Rock Conglomerate of Colorado from 1869 to the present – Part 1: Description, Nomenclature, and Mapping: The Mountain Geologist, vol. 61, no. 1, p. 17-48, doi: 10.31582/rmag.mg.61.1.17.
Morgan, M.L. and O’Keeffe, M.K., 2023, Data Tables of Detrital Zircon U-Pb Geochronologic Analyses and Trace Element Concentrations of Select Cretaceous, Paleogene, and Neogene Rocks, Denver Basin and Northeastern Colorado (Data): Colorado Geological Survey ON-004-04D – V20231110, https://doi.org/10.58783/cgs.on00404d.icwa5545.
Morgan, M.L., O’Keeffe, M.K., Mahatma, A.A., Keller, S.M., 2023, Detrital Zircon Age Estimates of Select Upper Cretaceous and Neogene Sedimentary Rocks, Denver Basin and Northeastern Colorado: Geological Society of America Abstracts with Programs, vol. 55, no. 5, https://gsa.confex.com/gsa/2023RM/meetingapp.cgi/Paper/387863.
Milojevic, T., Koelbl, D., Bruner, R., and Morgan, M.L., 2023, Exploration of microbial-mineral interactions with the Noachian Martian breccia composed of ~4.5 Gyr old crustal materials from Mars: EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-16175, https://doi.org/10.5194/egusphere-egu23-16175.
*Morgan, M.L., O’Keeffe, M.K., and Marr, A., 2023, Geologic Map of the Brighton Quadrangle, Adams County, Colorado: Colorado Geological Survey Open-file Report 02-22, scale 1:24,000, https://doi.org/10.58783/cgs.of2202.dnna2821.
Sebol, L.A, Morgan, M.L., Broes, L.D, and Lindsey, K, 2022, Geologic Map Compilation at 1:100,000 scale in Colorado: Processes and Challenges for Creating Digital Geologic Data to Support a National Geologic Map by the End of this Decade: Geological Society of America Abstracts with Programs Vol. 54, No. 5. doi: 10.1130/abs/2022AM-383268.
*Ostenaa, D.A., Zellman, M.S., Morgan, M.L., DuRoss, C.B., Briggs, R.W., Gold, R.D., Mahan, S.A, Gray, H.J., Broes, L. and Lindsey, K., 2022, Mid- to Late Quaternary Geomorphic and Paleoseismic Event History, Cheraw Fault, Southeastern Colorado: Bulletin of the Seismological Society of America, vol. 112, no.3, p. 1742–1772.
Bogolub, K., Morgan, M.L., Fitzgerald, F.S., Broes, L.D., and Radach, K.D., in prep, Colorado Seismic Network – Collaboration and Outreach: Seismological Society of America Annual Conference.
*Palkovic, M.J., and Morgan, M.L., 2021, Geologic Map of the Hardin quadrangle, Weld County, Colorado: Colorado Geological Survey Open-file Report 21-04, scale 1:24,000.
*Milojevic, T., Albu, M., Kölbl, D., Bruner, R., and Morgan, M.L., 2021, Chemolithotrophy on the Noachian Martian breccia NWA 7034 via experimental microbial biotransformation: Nature Communications Earth Environ. No. 2, vol. 39. https://doi.org/10.1038/s43247-021-00105-x.
Liu, Y., Ma., C., and Morgan, M., 2021, Preliminary Results of a New Lunar Impact-Melt Breccia Meteorite Northwest Africa (NWA) 13638: 52nd Lunar and Planetary Science Conference, Houston, TX., https://www.hou.usra.edu/meetings/lpsc2021/pdf/1501.pdf.
*Hatem, A.E., Collett, C.M., Gold, R.D., Briggs, R.W., Angster, S.A., Field, E.H., Anderson, M., Ben-Horin, J.Y., Dawson, T., DeLong, S., DuRoss, C., Thompson Jobe, J., Kleber, E., Knudsen, K.L., Koehler, R., Koning, D., Lifton, Z., Madin, I., Mauch, J., Morgan, M., Pearthree, P., Petersen, M., Pollitz, F., Scharer, K., Powers, P., Sherrod, B., Stickney, M., Wittke, S., and Zachariasen, J., 2021, Earthquake geology inputs for the National Seismic Hazard Model (NSHM) 2023, version 1.0: U.S. Geological Survey data release, https://doi.org/10.5066/P918XCUU.
*Keller, S.M., and Morgan, M.L., 2020, Geologic Map of the Greeley quadrangle, Weld County, Colorado: Colorado Geological Survey Open-file Report 20-05, scale 1:24,000, https://coloradogeologicalsurvey.org/publications/geologic-map-greeley-quadrangle-weld-colorado.
*Kirkham, R.M., Noe, D.C., Heerschap, L., McCalpin, J.P., Mahan, S., and Morgan, M.L., 2020, Summary Report on the McQueary Gulch Trench, Williams Fork Mountains Fault, Grand County, Colorado: Colorado Geological Survey Miscellaneous Investigations 100, https://coloradogeologicalsurvey.org/publications/mcqueary-gulch-trench-williams-fork-mountains-fault-grand-colorado/.
O’Keeffe, M.K., Dechesne, M., Morgan, M.L., Pfaff, K., and Keller, S.M., 2019, Critical Minerals in Beach Placer Deposits of the Fox Hills Sandstone, Elbert County, Colorado: Geological Society of America Abstracts with Programs. Vol. 51, No. 5, doi: 10.1130/abs/2019AM-337497
*Palkovic, M.K., Lindsey, K.O., and Morgan, M.L., 2019, Geologic Map of the La Salle quadrangle, Weld County, Colorado: Colorado Geological Survey Open-file Report 19-03, scale 1:24,000.
Ostenaa, D., Zellman, Morgan, M.L., Broes, L., Fitzgerald, F.S., Lindsey, K., Briggs, R.W., DuRoss, C.B., Gold, R.D., Gray, H.J., Mahan, S., Forman, S.L., Wittke, S., and Rindfleisch, P., 2019, New Geochronology and Paleoseismic Data for the Cheraw fault at the Old Ranch Site, SE Colorado: American Geophysical Union Fall Meeting Abstracts, https://agu.confex.com/agu/fm19/meetingapp.cgi/Paper/495131.
Bogolub, K.R., Morgan, M.L., Fitzgerald, F.S., Palkovic, M.J., and Broes, L.D., 2019, Increasing Colorado’s Seismic Network – New Developments by the Colorado Geological Survey, in 2019 SSA Annual Meeting – Central and Eastern North America and Intraplate Regions Worldwide [Poster]: Seismological Society of America, Seattle, WA.
Keller, S.M., and Morgan, M.L., 2018, OF-18-01 Geologic Map of the Frederick Quadrangle, Weld and Broomfield Counties, Colorado: Open File Report, scale 1:24,000.
McCoy, K.M., Fitzgerald, F.S., Morgan, M.L., and Berry, K.A., 2018a, OF-18-08 Debris Flow Susceptibility Map of Douglas County, Colorado: Colorado Geological Survey Open File Report OF-18-08.
McCoy, K.M., Fitzgerald, F.S., Morgan, M.L., and Berry, K.A., 2018b, OF-18-09 Landslide Susceptibility Map of El Paso County, Colorado: Colorado Geological Survey Open File Report.
McCoy, K.M., Morgan, M.L., and Berry, K.A., 2018c, OF-18-10 Debris Flow Susceptibility Map of Jefferson County, Colorado: Colorado Geological Survey Open File Report OF-18-10.
McCoy, K.M., Morgan, M.L., and Berry, K.A., 2018d, OF-18-11 Debris Flow Susceptibility Map of El Paso County, Colorado: Colorado Geological Survey Open File Report OF-18-11.
O’Keeffe, M.K., Morgan, M.L., Keller, S.M., Horkley, K.L., and Keller, J.W., 2018, RS-47 Reconnaissance of Potential Sand Sources in Colorado for Hydraulic Fracturing: Colorado Geological Survey Resource Series RS-47, 120 p.
Morgan, M.L., Fielding, E.J., McCoy, K.M., Coe, J.A., White, J.L., and Fitzgerald, F.S., 2017, Change Detection of the West Salt Creek Landslide, Colorado using Multi-Temporal Lidar and UAVSAR Datasets: Association of Engineering Geologists Annual Meeting, Colorado Springs Colorado, Abstract. https://docs.wixstatic.com/ugd/b33307_ae02631d54f943dc95c8d22c491edaa1.pdf
*Palkovic, M., and Morgan, M.L., 2017, Geologic Map of the Johnstown quadrangle, Larimer and Weld Counties, Colorado: Colorado Geological Survey Open-file Report 17-02, scale 1:24,000.
*Keller, S.M., Lindsey, K.O., and Morgan, M.L., 2017, Geologic Map of the Berthoud quadrangle, Larimer, Weld, and Boulder Counties, Colorado: Colorado Geological Survey Open-file Report 17-03, scale 1:24,000.
*Keller, J.W., Houck, K.J., Johnson, E.P., Keller, N.H., Morgan, M.L., Miggins, D.P., and Klemmick, G.F., Geologic Map of the Boreas Pass quadrangle: Park and Summit Counties, Colorado: Colorado Geological Survey Open-file Report 17-06, scale 1:24,000.
Matthews, V., and Morgan, M.L., 2017, Does the ‘Colorado Mineral Belt’ Best Describe the Distribution of Tertiary Epithermal Ore Deposits in Colorado?: Gold and Silver Deposits in Colorado Symposium, Colorado School of Mines, July 21-24, 2017.
Zellman, M., Ostenaa, D.A., Mahan, S.A., Briggs, R.W., DuRoss, C.B., Reitman, N.G., Personius, S.F., and Morgan, M.L., 2017, New Constraints on the Late Quaternary Slip Rate of the Cheraw Fault, Southeastern Colorado: American Seismological Society Annual Meeting Abstracts.
*Morgan, M.L., and White, J.L., 2016, Geologic map of the Watkins quadrangle, Arapahoe and Adams Counties, Colorado: Colorado Geological Survey Open-file Report 16-02, scale 1:24,000.
*Keller, S.M. and Morgan, M.L., eds., 2016, Unfolding the Geology of the West: Geological Society of America Field Guide 44, 419 p.
*Keller, S.M., and Morgan, M.L., 2016, New paleocurrent measurements, clast population data, and age dates in the Late Eocene Castle Rock Conglomerate, east-central Colorado: remapping the fluvial system, and implications for history of the Colorado Piedmont and Front Range: Colorado Geological Survey, Open File Report 16-01.
*Keller, S.M. and Morgan, M.L., 2016, Overview of the Eocene Castle Rock Conglomerate, east-central Colorado – remapping the fluvial system and implication for the history of the Colorado Piedmont and Front Range in Keller, S.M. and Morgan. M.L., eds., Unfolding the Geology of the West, Geological Society of America Field Guide 44, p. 125-42., doi:10.1130/2016.0044(05)
*Smith, J.J., Layzell, A.L., Lukens, W.E., Morgan, M.L., Keller, S.M., Martin, R.A., and Fox, D.L., 2016, Getting to the bottom of the High Plains aquifer – New insights into the depositional history, stratigraphy, and paleoecology of the Cenozoic High Plains in Keller, S.M. and Morgan. M.L., eds., Unfolding the Geology of the West, Geological Society of America Field Guide 44, p. 93-124, doi:10.1130/2016.0044(04).
Morgan, M.L., 2016, Shaping the mapping future – How Lidar is transforming geologic mapping and geologic hazard assessment in Colorado: USGS Lidar Science Innovation Workshop, Ft. Collins, Colorado, Abstract.
McCoy, Kevin, Fitzgerald, F.S., and Morgan, M.L., 2016, County-wide debris-flow susceptibility mapping in Colorado – Program overview and methods summary: Geological Society of America, Abstracts with Programs, Denver, vol. 48, no. 7,
https://gsa.confex.com/gsa/2016AM/webprogram/Paper283839.html, doi: 10.1130/abs/2016AM-283839.
Lindsey, Kassandra, Morgan, M.L., and Berry, K.A., 2016, Development of landslide susceptibility maps in Colorado: Geological Society of America, Abstracts with Programs, Denver, vol. 48, no. 7,
https://gsa.confex.com/gsa/2016AM/webprogram/Paper287630.html, doi: 10.1130/abs/2016AM-287630
Warren, P.H., Kohl, I., Young, E.D., Isa, J., Morgan, M., and Liu, Y., 2016, Enigmatic enclaves of silica and augite, without feldspar, in eucrite NWA 10553: 79th Annual Meteoritical Society, Abstracts with Programs, Berlin, http://www.hou.usra.edu/meetings/metsoc2016/pdf/6355.pdf
Coe, J.A., Baum, R.L., Allstadt, K.E., Kochevar, B.F., Schmitt, R.G., Morgan, M.L., White, J.L., Stratton, B., Hayashi, T.A., and Kean, J.W., 2016, Map data and unmanned aircraft system imagery from the May 25, 2014 West Salt Creek rock avalanche in western Colorado: U.S. Geological Survey Data Release, http://dx.doi.org/10.5066/F74J0C55.
*Coe, J.A., Baum, R.L., Allstadt, K.E., Kochevar, B.F., Schmitt, R.G, Morgan, M.L., White, J.L, Stratton, B.T, Hayashi, T.A., and Kean, J.W., 2016, Rock avalanche dynamics revealed by large-scale field mapping and seismic signals at a highly mobile avalanche in western Colorado: Geosphere, v. 12, n.2, http://geosphere.gsapubs.org/content/early/2016/02/29/GES01265.1.abstract, DOI:10.1130/GES01265.1.
*Wait, T.C., Morgan, M.L., Fitzgerald, F.S., Morgan, K.S., Berry, K.A., and White, J.L., 2015, Debris flow Susceptibility Map of Larimer County, Colorado: Colorado Geological Survey Open-file Report 15-13,
http://coloradogeologicalsurvey.org/publications/debris-flow-susceptibility-map-larimer-county-colorado/.
*Morgan, M.L., 2015, Geologic map of the Piney Creek quadrangle, Arapahoe, Douglas, and Elbert Counties, Colorado: Colorado Geological Survey Open-file Report 15-12, http://coloradogeologicalsurvey.org/publications/geologic-map-of-the-piney-creek-quadrangle-arapahoe-douglas-and-elbert-counties-colorado-2/
Morgan, M.L., 2015, Debris flow hazard mapping in Colorado – The need and plan for a statewide assessment: Sustaining Colorado Watersheds Conference, October 6-8, 2015, Avon, Colorado, Abstract, p. 16,
http://issuu.com/2014scw/docs/2015_packet_for_posting.
Schwans, E., Meng, T.M., Prudhomme, K., and Morgan, M.L., 2015, On the Origin of the Crestone Crater: Low-Latitude Periglacial Features in San Luis Valley, Colorado: American Geophysical Union Fall Meeting, San Francisco, Abstract, https://agu.confex.com/agu/fm15/meetingapp.cgi/Paper/63861
Morgan, M.L., 2015, Colorado’s Potentially Hazardous Faults in Lund, W.R., ed., Proceedings volume , Basin and Range Province Seismic Hazards Summit III: Utah Geological Survey Miscellaneous Publication 15-5,
http://geology.utah.gov/hazards/earthquakes-faults/utah-earthquake-working-groups/basin-and-range-province-seismic-hazards-summit/#tab-id-3,
Coe, J., Baum, R., Allstadt, K., Kochevar, B., Schmitt, R., Morgan, M., White, J., Stratton, B., Hayashi, T., and Kean, J., 2015, Forensic Analysis of the May 2014 West Salt Creek Rock Avalanche in Western Colorado: American Geophysical Union Fall Meeting, San Francisco, Abstract, https://agu.confex.com/agu/fm15/meetingapp.cgi/Paper/62243
*White, J.L., Morgan, M.L., and Berry, K.A., 2015, The West Salt Creek Landslide: A Catastrophic Rockslide and Rock/Debris Avalanche in Mesa County, Colorado: Colorado Geological Survey Bulletin 55, 45 p., 2 plates,
http://coloradogeologicalsurvey.org/publications/the-west-salt-creek-landslide-a-catastrophic-rockslide-and-rockdebris-avalanche-in-mesa-county-colorado/.
White, J.L., Morgan, M.L., and Berry, K.A., 2015, The May 2014 West Salt Creek Landslide in Mesa County, Colorado: 2015 AEG Professional Forum on Landslides, Seattle, WA, Conference Abstracts, p. 103,
https://www.researchgate.net/publication/273060012_POSTER-The_May_2014_West_Salt_Creek_Landslide_in_Mesa_County_Colorado, DOI: 103. 10.13140/2.1.2385.2322.
*Morgan, M.L., White, J.L., Fitzgerald, F.S., Berry K.A., and Hart, S.S., 2015, Foothill and Mountainous Regions in Boulder County, Colorado that may be Susceptible to Earth and Debris/Mud Flows during Extreme Precipitation Events: Colorado Geological Survey Open-file Report 14-02, DOI: 10.13140/2.1.3617.8246.
http://coloradogeologicalsurvey.org/publications/foothill-mountainous-regions-boulder-county-colorado-may-susceptible-earth-debrismud-flows-extreme-precipitation-events/
*Morgan, M.L., Barkmann, P.E., Rogers, E.L., and Noe, D.C., 2014, Geologic Map of the Craig Quadrangle, Moffat County, Colorado: Colorado Geological Survey Open-file Report 14-12, http://coloradogeologicalsurvey.org/publications/geologic-map-of-the-craig-quadrangle-moffat-county-colorado/
*Morgan, M.L., 2014, Geologic Map of the Watkins SE Quadrangle, Arapahoe and Elbert Counties, Colorado: Colorado Geological Survey Open-file Report 14-07, http://coloradogeologicalsurvey.org/publications/geologic-map-watkins-se/, DOI: 10.13140/RG.2.1.5026.0644.
*Gutiérrez, F., Morgan, M.L., Matthews, V., Gutiérrez, M., Jiménez-Moreno, G., 2014, Relict slope rings and talus flatirons in the Colorado Piedmont-Origin, chronology and paleoenvironmental implications: Geomorphology, http://www.sciencedirect.com/science/article/pii/S0169555X14006023.
Coe, J.A., Baum, R.L., Schmitt, R.G., Kean, J.W., Harp, E.L., Morgan, M.L., White, J.L., Kochevar, B.F. Jr., Hayashi, T.A., and Stratton, B., 2014, The West Salt Creek Rock Avalanche – A Highly Mobile, Complex Landslide in Western Colorado: Geological Society of America Abstracts with Programs, Vol. 46, No. 6, p. 609, https://gsa.confex.com/gsa/2014AM/webprogram/Paper244963.html
Raber, S., Morgan, M.L., White, J.L., Fitzgerald, F.S., and Berry, K.A., 2014, Geospatial Analysis of the West Salt Creek Landslide in Colorado: GeCo in the Rockies, Grand Junction, CO, Abstract, http://www.gecointherockies.org/wp-content/uploads/2014/08/PresentationAbstracts.pdf.
Nissen, E., Johnson, K.L., Fitzgerald, F.S., Morgan, M.L., and White, J., 2014, Rapid-Response or Repeat-Mode Topography from Aerial Structure from Motion: American Geophysical Union Fall Meeting, San Francisco, Abstract#6650, https://agu.confex.com/agu/fm14/webprogrampreliminary/Paper6650.html
Miley, H.M., Agee, C.B., Korotev, R.L., Muttik, N., and Morgan, M.L., 2014, Northwest Africa 8010: Feldspathic Regolith Breccia with Abundant Crystalline Lunar Spherules: 45th Lunar and Planetary Science Conference, Houston, TX, Abstract #2823. http://www.hou.usra.edu/meetings/lpsc2014/pdf/2823.pdf
*Morgan, M.L., 2014, Geologic Map of the Cabin Gulch Quadrangle , Elbert County, Colorado: Colorado Geological Survey, Open-file Report 14-01, scale 1:24,000,
http://coloradogeologicalsurvey.org/publications/cabin_gulch_quadrangle/, DOI: 10.13140/2.1.1074.5127
*Noe, D.C., Morgan, M.L., and Townley, S.M., 2013, Olathe Northwest Quadrangle Geologic Map, Delta and Montrose Counties, Colorado: Colorado Geological Survey Open-file Report 13-07,
http://coloradogeologicalsurvey.org/publications/olathe-nw-quad-2/.
Morgan, M.L., Keller, S.M., Premo, W.R., Miggins, D.P., and Moscati, R.J., 2013, Clast Lithology, Population, Provenance and U-Pb Geochronology – What Can the Late Eocene Castle Rock Conglomerate Tell Us About the History of the Colorado Piedmont and Front Range?: Geological Society of America Abstracts with Programs, https://gsa.confex.com/gsa/2013AM/finalprogram/abstract_225084.htm.
Keller, S.M. and Morgan, M.L., 2013, New Paleocurrent Measurements in the Late Eocene Castle Rock Conglomerate, East-Central, Colorado – Remapping the Fluvial System: Geological Society of America Abstracts with Programs, https://gsa.confex.com/gsa/2013AM/webprogram/Paper225142.html.
Morgan, M.L., Fitzgerald, F.S., and Morgan, K.S., 2013, Preliminary Survey of Debris Flow, Landslide, and Rockfall Deposits as a result of the September 11-14, 2013 Flooding Events, Boulder County, Colorado: on-line at http://www.arcgis.com/home/item.html?id=39e6c721635f40c8add90112c9d1a646
Morgan, M.L., Fitzgerald, F.S., and Morgan, K.S., 2013, Preliminary Survey of Debris Flow, Landslide, and Rockfall Deposits as a result of the September 11-14, 2013 Flooding Events, Larimer County, Colorado: on-line at
http://www.arcgis.com/home/item.html?id=47fef299bc4a4a4c9e19cbba8afe66f4
Morgan, M.L., 2013, From Buttes to Bowls, Repeated Inversions in the Landscape of the Colorado Piedmont: AIPG 50th Annual National Meeting, Broomfield, Colorado.
Morgan, M.L., 2013, Surficial Geology with Mudslides and Landslide and Rockfall Susceptibility Map of Colorado Springs and the Waldo Canyon Burn Area: on-line at http://www.arcgis.com/home/item.html?id=ef702d6693e34e4e9f1692f63e2f57ac
Morgan, M.L., 2013, Geologic Hazards of the High Park Fire Burn Area, Colorado: on-line at http://www.arcgis.com/home/item.html?id=089735188bbc4361968c415d80e82332
Noe, D.C., White, J.L., Barkmann, P.E., and Morgan, M.L., 2013, Results of Recent STATEMAP Geologic Mapping in Western Colorado: Geological Society of America Abstracts with Programs, Rocky Mountain Section Meeting.
*Matthews, V. and Morgan, M.L., 2012, A GIS test of two models for the distribution of Tertiary epithermal ore deposits in Colorado. The Mountain Geologist, v. 49, no. 1, p. 1-17. On line at http://archives.datapages.com/data/mountain-geologist-rmag/data/049/049001/pdfs/1.pdf.
Morgan, M.L., Matthews, V., and Heerschap, L., 2012, Colorado Earthquake Map Server.
*Morgan, M.L. and White, J., 2012, Geologic Map of the Falcon Quadrangle, El Paso County, Colorado: Colorado Geological Survey, scale 1:24,000, http://coloradogeologicalsurvey.org/publications/geologic-map-of-the-falcon-quadrangle-el-paso-county-colorado/, DOI: 10.13140/2.1.2647.3762.
*Morgan, M.L. and Barkmann, P.E., 2012, Eastonville quadrangle geologic map, El Paso County, Colorado: Colorado Geological Survey Open-File Report 12-03, scale 1:24,000 http://coloradogeologicalsurvey.org/publications/geologic-map-of-the-eastonville-quadrangle-elbert-county-colorado/.
*Morgan, M.L., Barkmann, P.E., and Keller, S.M., 2012, Elbert Quadrangle Geologic Map, Elbert and El Paso Counties, Colorado: Colorado Geological Survey.
Morgan, M.L. and Morgan, K.S., 2011, Preliminary Damage Report of the August 22, 2011 Mw 5.3 Earthquake near Trinidad, Colorado: Colorado Geological Survey.
*Morgan, M.L. and Billmeyer, E., 2010, Geologic Map of the Severy Creek Watershed, Teller and El Paso Counties, Colorado: Colorado Geological Survery Open-file Report 10-03D, http://coloradogeologicalsurvey.org/publications/geologic-map-of-the-severy-creek-watershed-teller-and-el-paso-counties-colorado/.
Morgan, M.L., 2010, Local Geology – Deposit and Erosion: The New Falcon Herald in print and on-line newspaper feature by Kathleen Wallace, http://www.newfalconherald.com/DisplayPrintArticle.php?ArticleID=6340.
*Morgan, M.L., 2009, Geologic Map of the Elizabeth quadrangle, Elbert County, Colorado, Colorado Geological Survey Open-File Report 09-03, scale 1:24,000.
*White, J.W., Wait, T.C., and Morgan, M.L., 2008, Geologic hazards of Montrose County, Colorado: Colorado Geological Survey Open-File Report 09-01, CD-ROM.
*Morgan, M.L., Matthews, V., Gutiérrez, F., Thorson, J.P., Madole, R.F., and Hanson, P.R., 2008, From buttes to bowls: Repeated relief inversion in the landscape of the Colorado Piedmont, in Raynolds, R.G., ed., Roaming the Rocky Mountains and Environs: Geological Field Trips: Geological Society of America Field Guide 10, pp. 203-215.
*Morgan, M.L., Noe, D.C., White, J.L., and Townley, S.M., 2008, Geologic map of Delta quadrangle, Delta and Montrose Counties, Colorado: Colorado Geological Survey Open-File Report 08-02, scale 1:24,000.
*Noe, D.C., Morgan, M.L., and Townley, S.M., 2008, Geologic Map of the Olathe NW quadrangle, Delta and Montrose Counties, Colorado: Colorado Geological Survey Open-File Report 08-01, scale 1:24,000.
*White, J.L., Williams, F., Morgan, M.L., and Townley, S.M., 2008, Geologic Map of the Hoovers Corner quadrangle, Montrose County, Colorado: Colorado Geological Survey Open-File Report 08-03, scale 1:24,000.
Morgan, M.L., 2008, Review of the book The History of Meteorites and Key Meteorite Collections – Fireballs, Falls, and Finds: PALAIOS, http://palaios.ku.edu/reviews/mccall.pdf.
*Morgan, M.L., 2008-2013, Colorado’s earthquakes and known, young faults (map): scale 1:1,150,000.
Morgan, M.L. and White, J.L., 2007, Development of the Loutsenhizer drainage basin and associated collapsible soils, Montrose and Delta Counties, western Colorado: Geological Society of America Abstracts with Programs, National Meeting, Denver, Colorado: http://gsa.confex.com/gsa/2007AM/finalprogram/abstract_128144.htm.
Morgan, M.L. and Matthews, V., 2007, Mud Lake – No evidence for meteorite impact near Nederland, Colorado: Geological Society of America Abstracts with Programs, National Meeting, Denver, Colorado: http://gsa.confex.com/gsa/2007AM/finalprogram/abstract_128161.htm.
White, J.L. and Morgan, M.L., 2007, Landslides in the Uncompahgre Valley of Western Colorado and impacts to mixed agricultural and residential land usage: Geological Society of America Abstracts with Programs, National Meeting, Denver, Colorado: http://gsa.confex.com/gsa/2007AM/finalprogram/abstract_128672.htm.
*Morgan, M.L., Noe, D.C., and Keller, S.M., 2007, Geologic map of the Olathe quadrangle, Montrose County, Colorado: Colorado Geological Survey Open-File Report 07-01, scale 1:24,000.
*Noe, D.C., Morgan, M.L., and Keller, S.M., 2007, Geologic map of the Montrose East quadrangle, Montrose County, Colorado: Colorado Geological Survey Open-File Report 07-02, scale 1:24,000.
*Morgan, M.L., 2006, Carbonate impact accretionary lapilli – genesis, impact history, and interpretations related to the origin of the Upper Devonian Alamo Breccia, Nevada [M.S. Thesis]: Golden, Colorado School of Mines, 204 p.
Morgan, M.L., 2006, Large landslides in the Mount Pittsburg quadrangle, El Paso, Fremont, and Teller Counties, Colorado: Geological Society of America Abstracts with Programs Rocky Mountain Section Meeting, Gunnison, Colorado, http://gsa.confex.com/gsa/2006RM/finalprogram/abstract_104936.htm
*Morgan, M.L., Temple, J., and Martin, D., 2006, Geologic map of the Mt. Pittsburg quadrangle, El Paso, Fremont, and Teller Counties, Colorado: Colorado Geological Survey Open-File Report 06-05, scale 1:24,000.
*Keller, J.W., Morgan, M.L., Thorson, J.P., and Lindsay, N.R., 2006, Geologic map of the Palmer Lake quadrangle, El Paso County, Colorado: Colorado Geological Survey Open-File Report 06-06, scale 1:24,000.
Morgan, K.S., Pattyn, G.J., and Morgan, M.L., 2005, Colorado Late Cenozoic Fault and Fold Database and Internet Map Server – User-friendly Technology for Complex Information: Environmental and Engineering Geoscience, v. 11, n. 2, p. 155-162.
Morgan, M.L., Matthews, V., and Heerschap, L., 2005, The Colorado Earthquake Map Server: Geological Society of America Abstracts with Programs Rocky Mountain Section Meeting, Grand Junction, Colorado, v. 37, n. 6, http://gsa.confex.com/gsa/2005RM/finalprogram/abstract_86274.htm.
Matthews, V., Morgan, M.L., McHarge, J.L., and Heerschap, L., 2005, Deterministic HAZUS Damage Estimates for Earthquakes on Selected Faults in Colorado and the Importance of Q (Attenuation Factor): Geological Society of America Abstracts with Programs Rocky Mountain Section Meeting, Grand Junction, Colorado, v. 37, n. 6,http://gsa.confex.com/gsa/2005RM/finalprogram/abstract_86274.htm.
Morgan, M.L., McHarge, J.L., and Barkmann, P.E., 2005, Geologic map of the Sedalia quadrangle, Douglas County, Colorado: Colorado Geological Survey Open-File Report 05-6, scale 1:24,000.
Matthews, V. and Morgan, M.L., 2005, Horsts and Grabens of Colorado’s High Plains: Basin and Range Province Seismic Hazards Summit 2004, Reno-Sparks, Nevada, Utah Geological Survey MP-05-02, http://ugspub.nr.utah.gov/publications/misc_pubs/MP-05-2.pdf
*Wray, L.L., Apeland, A.D., Hemborg, H.T., Brchan, C., Morgan, M.L., and Young, G.B.C., 2005, Shapefiles for the 2002 Oil and Gas Fields Map of Colorado: Colorado Geological Survey Open-File Report 05-09, CD-Rom.
*Kirkham, R.M., Rogers, W.P., Powell, L., Morgan, M.L., Matthews, V., and Pattyn, G.R., 2004, Colorado Earthquake Map Server: Colorado Geological Survey Bulletin 52b
Matthews, V. and Morgan, M.L., 2004, From buttes to bowls – repeated inversions in the landscape of the Colorado Piedmont: Geological Society of America Abstracts with Programs, Denver, v. 36, n. 5, p. 411.
Matthews, V. and Morgan, M.L., 2004, Neogene faulting in Colorado’s High Plains: Geological Society of America Abstracts with Programs, Denver, v. 36, n. 5, p. 117,http://gsa.confex.com/gsa/2004AM/finalprogram/abstract_75837.htm
*Morgan, M.L., Temple, J., Grizzell, M.T., and Barkmann, P.E., 2004, Geologic map of the Dawson Butte quadrangle, Douglas County, Colorado: Colorado Geological Survey Open-File Report 04-7, scale 1:24,000.
Morgan, M.L., Pattyn, G.R., Matthews, V., and Powell, L., 2004, Colorado Earthquake Database Delivered via Internet Map Server (abs.): GIS in the Rockies 2004 Abstracts.
Morgan, M. L., 2004, The Lake Moraine Glacial System, Manitou Springs quadrangle, Colroado in Coates, M-M, Evanoff, E., and Morgan, M.L., eds., Symposium on the Geology of the Front Range in honor of William A. Braddock, April 3 and 4, 2004, University of Colorado at Boulder, p.26.
Coates, M.M., Evanoff, E., and Morgan, M.L., eds., 2004, Symposium on the Geology of the Front Range in honor of William A. Braddock, April 3 and 4, 2004, University of Colorado at Boulder, 39 p.
Morgan, M. and Breikss, J., 2004, The Worden – Michigan meteorite – Another car bites the dust: Meteorite, v. 10, n. 1.
Morgan, M.L., Morgan, K.S., and Wilson, J.C., 2003, Advances in Geologic Mapping Using Digital Photogrammetry (abs.): GIS in the Rockies 2003 Abstracts.
*Morgan, M.L., Siddoway, C.S., Rowley, P.D., Temple, J., Keller, J.W., Archuleta, B.H., and Himmelerich Jr., J.W., 2003, Geologic map of the Cascade quadrangle, El Paso County, Colorado: Colorado Geological Survey Open-File Report 03-13, scale 1:24,000.
*Keller, J.W., Siddoway, C.S., Morgan, M.L., Route, E.E., Grizzell, M.T., Sacerdoti, R., and Steveson, A., 2003, Geologic map of the Manitou Springs quadrangle, El Paso and Teller Counties, Colorado: Colorado Geological Survey Open-File Report 03-14, scale 1:24,000.
Morgan, M.L., 2003, Colorado’s Meteorites, in V. Matthews, K. KellerLynn, and B. Fox, eds.: Messages in Stone, Special Publication 52, Colorado Geological Survey, Denver, pp. 13-14.
White, J.L., and Morgan, M.L., 2003, Digital photogrammetry to quantify historic movements of landslides – A case history at the Debeque Canyon landslide in Colorado (abs.): Association of Engineering Geologists News, v.46, p. 80.
*Morgan, M.L., 2003, Published faults of the Colorado Front Range: Colorado Geological Survey Open-File Report 03-04.
Koeberl, C., Huber, H., Morgan, M.L., and Warme, J.E., 2003, Search for an extraterrestrial component in the Late Devonian Alamo Impact Breccia (Nevada): Results of iridium measurements in Koeberl, C. and Martínez-Ruiz, F.C., eds.: Impact Markers in the Stratigraphic Record; Impact Studies, vol. 3. Springer, Heidelberg, pp. 315-332.
Goodrich, C.A., van Niekerk, D., and Morgan, M.L., 2003, Northwest Africa 1110: A New Olivine-Phyric Shergottite Possibly Paired with Northwest Africa 1068 (abs.): 66th Annual Meteoritical Society, Abstracts with Programs, Münster, 2003.
*Widmann, B.L., Kirkham, R.M., Morgan, M.L., and Rogers, W.P., with contributions by Crone, A.J., Personius, S.F., and Kelson, K.I., and GIS and Web design by Morgan, K.S., Pattyn, G.R., and Phillips, R.C., 2002, Colorado Late Cenozoic Fault and Fold Database and Internet Map Server: Colorado Geological Survey Information Series 60a.
Morgan, K.S., Morgan, M.L., Widmann, B.L., Pattyn, G.J., Kirkham, R.M., and Phillips, R.C., 2002, Colorado Late Cenozoic Fault and Fold Database and Internet Map Server: User-friendly Technology for Complex Information (abs.): Geological Society of America Abstracts with Programs, Denver.
Treiman, A.H., Lindstrom, D.J., Schwandt, C.S., Franchi, I.A.,and Morgan, M.L., 2002, A “Mesosiderite” Rock from Northern Siberia, Russia: Not a Meteorite: Meteoritics and Planetary Science 37 (suppl.), p. B13-B22.
Morgan, M.L., and Warme, J.E., 2002, Carbonate Accretionary Lapilli in the Late Devonian Alamo Breccia: Impact Genesis and Implications for Timing of Ejecta Emplacement (abs.), Geological Society of America Abstracts with Programs, Denver.
*Warme, J.E., Morgan M., and Kuehner, H.C., 2002, Impact-generated carbonate accretionary lapilli in the Late Devonian Alamo Breccia in Koeberl, C. and MacLeod, K.G., eds., Catastrophic Events and Mass Extinctions; Impacts and Beyond: Geological Society of America Special Paper 356, p. 489-504.
*Widmann, B.L., Morgan, M.L., Bartos, P.J., Shaver, K.C., Gutiérrez, F., and Lockman, A., 2002, Geologic Map of the Keystone Quadrangle, Summit County, Colorado: CGS Open-file Report 02-03, Scale 1:24,000.
*Wallace, C.A., Keller, J., Bartos, P.J., McCalpin, J., Route, E., Jones, N., Gutiérrez, F., and Morgan, M.L., 2002, Geologic Map of the Breckenridge Quadrangle, Summit County, Colorado: CGS Open-file Report 02-08, Scale 1:24,000.
Treiman, A.H., Lindstrom, D.J., Schwandt, C.S., Clayton, R.N., and Morgan, M.L., 2001, A “Mesosiderite” Rock from Putorana Russia: Not a Meteorite? (abs.): 64th Annual Meteoritical Society, Abstracts with Programs, Vatican City, 2001.
*Thorson, J., Carroll, C.A., and Morgan, M.L., 2001, Geologic Map of the Pikeview Quadrangle, El Paso County, Colorado: CGS Open-file Report 01-3, Scale 1:24,000.
Warme, J.E., Morgan, M.L., and Kuehner, H.C., 2001, Impact-generated carbonate accretionary lapilli in the Late Devonian Alamo Breccia (abs.) in Morgan, M.L. and Warme, J.E., eds., Bolide Impacts on Wet Targets: Geological Society of America Field Forum, April 22-29,.2001 Alamo, Nevada and Moab, Utah, USA..
Huber, H., Koeberl, C., and Morgan, M.L., 2001, Determination of Iridium Contents in the Alamo Breccia by Multiparameter Coincidence Spectromentry (abs.) in Morgan, M.L. and Warme, J.E., eds., Bolide Impacts on Wet Targets: Geological Society of America Field Forum, April 22-29,.2001 Alamo, Nevada and Moab, Utah, USA..
*Morgan, M.L., 2000, Handbook of Colorado Meteorites: Special Publication 49, Colorado Geological Survey.
Morgan, M.L., 2000, A Dash with the Dinosaurs – A mountain bike trek to the Purgatoire River dinosaur trackway and the Cretaceous-Tertiary Boundary impact layer of southeastern Colorado: CGS Field Trip Guidebook for Earth Science Week.
*Wray, L.L., Streufert, R.K., and Morgan, M.L., 2000, Late Cretaceous Fruitland Formation geologic mapping, outcrop measured sections, and subsurface stratigraphic cross sections, northern La Plata county, Colorado: Open-file report 00-18, Colorado Geological Survey.
Morgan, M.L., 2000, Meteorites! Pieces of the cosmic Rosetta stone: RMAG Outcrop, v. 49, n. 3.
*Carroll, C.J., and Morgan, M.L., 2000, Demonstrated reserve base for coal in Colorado: Yampa coal field: Open-File Report 2000-12, Colorado Geological Survey.
*Morgan, M.L., 1999, Geologic Map of Gunnison County, Colorado in Geology and Mineral Resources of Gunnison County, Colorado, Resource Series 37, Colorado Geological Survey.
*Eakins, W.E., Tremain, C.M., Phillips, R.C., and Morgan, M.L., 1998, Demonstrated reserve base for coal in Colorado: Somerset coal field: Open-File Report 98-5, Colorado Geological Survey.
*Broadhead, R. and Morgan, M.L., 1998, The New Mexico petroleum source rock database: Digital data series DDS-DB2, New Mexico Bureau of Mines.
Morgan, M.L., 1998, Recognizing meteorites in the field: Meteorite Magazine, v. 4, n. 5.