ON-B-40M Radioactive Mineral Occurrences of Colorado and Bibliography (Map)

OF-20-05 Geologic Map of the Greeley Quadrangle, Weld County, Colorado

OF-20-03 Geologic Map of the Bracewell Quadrangle, Weld County, Colorado

OF-18-05 Geologic Map of the Antero Reservoir NE Quadrangle, Park County, Colorado

OF-18-04 Geologic Map of the Florence Quadrangle, Fremont County, Colorado

OF-19-08 Geologic Map of the Mesa Lakes Quadrangle, Mesa and Delta Counties, Colorado

OF-18-03 Geologic Map of the Lands End Quadrangle, Mesa County, Colorado

OF-18-02 Geologic Map of the Milliken Quadrangle, Weld County, Colorado

OF-18-01 Geologic Map of the Frederick Quadrangle, Weld and Broomfield Counties, Colorado

OF-17-05 Geologic Map of the Fountain Quadrangle, El Paso County, Colorado

OF-17-04 Geologic Map of the Hartsel Quadrangle, Park County, Colorado

OF-17-03 Geologic Map of the Berthoud Quadrangle, Larimer, Weld, and Boulder Counties, Colorado