OF-12-05 Geologic Map of the Falcon Quadrangle OF-12-05 Geologic Map of the Falcon Quadrangle, El Paso County, Colorado
OF-12-04 Geologic Map of the Elbert Quadrangle OF-12-04 Geologic Map of the Elbert Quadrangle, Elbert and El Paso Counties, Colorado
OF-12-03 Geologic Map of the Eastonville Quadrangle OF-12-03 Geologic Map of the Eastonville Quadrangle, Elbert County, Colorado
SP-52 Messages in Stone: Colorado's Colorful Geology (2nd Edition) SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition)
OF-09-03 Geologic Map of the Elizabeth Quadrangle OF-09-03 Geologic Map of the Elizabeth Quadrangle, Elbert County, Colorado
OF-08-04 Upper Black Squirrel Creek Basin Aquifer Recharge and Storage Evaluation OF-08-04 Upper Black Squirrel Creek Basin Aquifer Recharge and Storage Evaluation
OF-08-17 Geologic Map of the Larkspur Quadrangle OF-08-17 Geologic Map of the Larkspur Quadrangle, Douglas and El Paso Counties, Colorado
OF-07-04 Geologic Map of the Ponderosa Park Quadrangle OF-07-04 Geologic Map of the Ponderosa Park Quadrangle, Douglas and Elbert Counties, Colorado
OF-06-06 Geologic Map of the Palmer Lake Quadrangle OF-06-06 Geologic Map of the Palmer Lake Quadrangle, El Paso County, Colorado
OF-06-08 Geologic Map of the Russellville Gulch Quadrangle OF-06-08 Geologic Map of the Russellville Gulch Quadrangle, Douglas and Elbert Counties, Colorado
OF-05-06 Geologic Map of the Sedalia Quadrangle OF-05-06 Geologic Map of the Sedalia Quadrangle, Douglas County, Colorado