Analyses and other properties of Oregon coals as related to their utilization
Yancey, H. F. (Harry Fagan)
1890-
creator
Geer, Max Richard
1912-
United States
Bureau of Mines.
text
bibliography
oru
Portland
1940]
1940
monographic
eng
iv, 38 p. illus. 28 cm.
by H. F. Yancey and M. R. Geer.
At head of title: State of Oregon. Department of Geology and Mineral Industries. In cooperation with the Bureau of Mines, United States Department of the Interior.
Photoprinted.
Bibliographical foot-notes.
n-us-or
Coal
Analysis
Coal
Oregon
QE155 .A3 no. 20
285 s B no. 20
Oregon. State Dept. of Geology and Mineral Industries. Bulletin no. 20
gs 40000154
U. S. Geol. Survey. Libr.
780808
20260227111345.0
gs 40000154