Analyses and other properties of Oregon coals as related to their utilization
By: by H. F. Yancey and M. R. Geer.
Contributors: Geer, Max Richard, 1912-; United States. Bureau of Mines.
Series: Oregon. State Dept. of Geology and Mineral Industries. Bulletin; no. 20
Published: 1940
Place of publication: [Portland
Language: eng
Number of pages: 38
Subjects: Coal -- Analysis.; Coal -- Oregon.
Notes: Bibliographical foot-notes.
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.