The determination of gold in geologic materials by neutron-activation analysis using fire assay for the radiochemical separations /

by Rowe, Jack James, 1919-, Simon, Frederick Otto, 1939-
Published 1968

Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado /

by Van Alstine, Ralph Erskine, 1914-, Simon, Frederick Otto, 1939-
Published 1982

Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado /

by Van Alstine, Ralph Erskine, 1914-
Published 1982

Chemical analyses of coal from the Healy, Kenai, Seldovia, and Utukok River 1:250,000 quadrangles, Alaska /

by Affolter, Ronald H.
Published 1981

Methods for sampling and inorganic analysis of coal /

Published 1989

Selected chemical composition of the C coal bed, Emery Coal Field, Utah /

by Crowley, Sharon S.
Published 1988