HM-01-04 1877 Geologic Map of Colorado (Hayden)

MS-16 Atlas of Ground Water Quality in Colorado

SP-53 Ground Water Atlas of Colorado

OF-00-09 Atlas of Sand, Gravel, & Quarry Aggregate Resources, Colorado Front Range Counties

SP-05A Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

SP-05B Atlas of Sand, Gravel, and Quarry Aggregate Resources, Colorado Front Range Counties

HM-01A Six 1877 Geologic Map Sheets and Two Cross Sections of Colorado (Hayden)

HM-01-18 1877 Geologic Map, Sheet XVIII: Geologic Cross Sections of the Western Slope and Central CO (Hayden)

HM-01-14 1877 Geologic Map, Sheet XIV: Western CO and Part of UT (Hayden)

HM-01-11 1877 Geologic Map, Sheet XI: NW CO and Part of UT (Hayden)

HM-01-17 1877 Geologic Map, Sheet XVII: Geologic Cross Sections of the Front Range and Central CO (Hayden)

HM-01-13 1877 Geologic Map, Sheet XIII: Central CO (Hayden)