MI-101 Geologic Road Log: Cumbres & Toltec Scenic Railroad MI-101 Geologic Road Log: Cumbres & Toltec Scenic Railroad
ON-010D Colorado Groundwater Atlas - v20210304 (detail) ON-010M Colorado Groundwater Atlas (Map) – v20210304
ON-010D Colorado Groundwater Atlas - v20210304 (detail) ON-010D Colorado Groundwater Atlas (Data) – v20210304
SP-52 Messages in Stone: Colorado's Colorful Geology (2nd Edition) SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition)
OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle OF-05-03 Geologic Map of the Southern Half of the Culebra Peak Quadrangle, Costilla and Las Animas Counties, Colorado
OF-05-09 Shapefiles of the Oil and Gas Fields Map of Colorado (detail) OF-05-09 Shapefiles of the Oil and Gas Fields Map of Colorado