OF-84-05 Estimated Oil and Gas Reserves for Adams County, Colorado

OF-84-06 Estimated Oil and Gas Reserves for Weld County, Colorado

OF-84-07 Estimated Oil and Gas Reserves for Arapahoe County, Colorado

OF-84-08 Estimated Oil and Gas Reserves for Baca County, Colorado

OF-84-09 Estimated Oil and Gas Reserves for Cheyenne County, Colorado

OF-84-10 Estimated Oil and Gas Reserves for Garfield County, Colorado

OF-84-11 Estimated Oil and Gas Reserves for La Plata County, Colorado

OF-84-12 Estimated Oil and Gas Reserves for Moffat County, Colorado

OF-83-04 Reconnaissance Geology and Geologic Hazards Maps of the Canon City 7.5-minute Quadrangle, Colorado

OF-83-05 Reconnaissance Geology and Geologic Hazards Maps of the Florence 7.5-minute Quadrangle, Colorado

OF-83-07 Programmable Calculator Solutions for Quarter-Quarter-Quarter and Latitude-longitude Determinations

OF-83-10 Programmable Calculator Solutions for Coal Quality Determinations