Narrow search
Showing 1 - 10 of 44
Cover Image
Base-metal deposits of the Cordillera Negra Departamente de Ancash, Peru
Bodenlos, Alfred John; Straczek, John A. - 1957
Persistent link: https://www.econbiz.de/10000309672
Cover Image
Geology of Rat Island, Aleutian Islands, Alaska
Lewis, Richard Q.; Nelson, Willis H.; Powers, Howard A. - 1960
Persistent link: https://www.econbiz.de/10000313571
Cover Image
Uranium-bearing coal in the central part of the Great Divide Basin
Pipiringos, George M. - 1961
Persistent link: https://www.econbiz.de/10000314841
Cover Image
Geology and ore deposits of the Freeland-Lamartine district, Clear Creek County, Colorado
Harrison, Jack Edward; Wells, John David - 1956
Persistent link: https://www.econbiz.de/10000315080
Cover Image
Photogeologic procedures in geologic interpretation and mapping
Ray, Richard G. - 1956
Persistent link: https://www.econbiz.de/10000315598
Cover Image
Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado
Harbour, R. L.; Dixon, G. H. - 1959
Persistent link: https://www.econbiz.de/10000315707
Cover Image
Geology and thorium deposits of the Wet Mountains, Colorado : a progress report
Christman, Robert A.; Brock, M. R.; Pearson, Robert Carl; … - 1959
Persistent link: https://www.econbiz.de/10000315708
Cover Image
Geology and fuel resources of the Mesa Verde area, Montezuma and La Plata Counties, Colorado
Wanek, Alexander A. - 1959
Persistent link: https://www.econbiz.de/10000315709
Cover Image
Geology and fluorspar deposits, Northgate district, Colorado
Steven, Thomas A. - 1960
Persistent link: https://www.econbiz.de/10000315712