OF-17-02 Geologic Map of the Johnstown Quadrangle OF-17-02 Geologic Map of the Johnstown Quadrangle, Larimer and Weld Counties, Colorado
OF-17-06 Geologic Map of the Boreas Pass Quadrangle OF-17-06 Geologic Map of the Boreas Pass Quadrangle, Park and Summit Counties, Colorado
B-05 Reconnaissance of the Geology of the Rabbit Ears Region B-05 Reconnaissance of the Geology of the Rabbit Ears Region, Routt, Grand, and Jackson Counties, Colorado
OF-16-06 Geologic Map of the Roubideau Quadrangle OF-16-06 Geologic Map of the Roubideau Quadrangle, Delta and Montrose Counties, Colorado
OF-16-02 Geologic Map of the Watkins Quadrangle OF-16-02 Geologic Map of the Watkins Quadrangle, Arapahoe and Adams Counties, Colorado
OF-16-05 Geologic Map of the Longmont Quadrangle OF-16-05 Geologic Map of the Longmont Quadrangle, Boulder and Weld Counties, Colorado
OF-16-07 Geologic Map of the Ralph White Lake Quadrangle OF-16-07 Geologic Map of the Ralph White Lake Quadrangle, Moffat and Routt Counties, Colorado
OF-15-14 Geologic Map of the Mack Quadrangle OF-15-14 Geologic Map of the Mack Quadrangle, Mesa County, Colorado
OF-15-02 Geologic Map of the Castor Gulch Quadrangle OF-15-02 Geologic Map of the Castor Gulch Quadrangle, Moffat County, Colorado
OF-15-12 Geologic Map of the Piney Creek Quadrangle OF-15-12 Geologic Map of the Piney Creek Quadrangle, Arapahoe, Douglas, and Elbert Counties, Colorado
OF-15-01 Geologic Map of the Breeze Mountain Quadrangle OF-15-01 Geologic Map of the Breeze Mountain Quadrangle, Moffat and Routt Counties, Colorado
OF-15-07 Geologic Map of the Paonia Quadrangle OF-15-07 Geologic Map of the Paonia Quadrangle, Delta County, Colorado