Geophysical logs and sample analysis for 10 holes drilled during 1981 in the western part of the Yampa coal field, Moffat County, Colorado /

by Johnson, Edward A. (Edward Allison), 1940-
Published 1985

Geophysical logs for 34 holes drilled during 1980 in the Yampa coal field, Moffat and Routt Counties, Colorado /

by Johnson, Edward A. (Edward Allison), 1940-
Published 1985

Selected references on the geology of the Yampa coal field and Sand Wash Basin, Moffat, Routt, and Rio Blanco Counties, Colorado /

by Johnson, Edward A. (Edward Allison), 1940-
Published 1984

Geologic map and coal sections of the Round Bottom quadrangle, Moffat County, Colorado /

Published 1987

Regional correlation of the middle coal group of the upper Cretaceous Mesaverde group, Yampa Coal Field, Moffat and Routt counties, Colorado /

Published 1988

Geologic map index of the Meeker 1?x 1/2?quadrangle, Garfield, Moffat, Rio Blanco, & Routt counties, Colorado /

Published 1985

Geologic map index of the Craig 1?x 1/2?quadrangle, Moffat & Routt counties, Colorado /

Published 1985