TY  - BOOK
AU  - Yancey,H.F.
AU  - Geer,Max Richard
ED  - United States.
TI  - Analyses and other properties of Oregon coals as related to their utilization,
T2  - Oregon. State Dept. of Geology and Mineral Industries. Bulletin
AV  - QE155 .A3 no. 20
U1  - 285 sB no. 20 
PY  - 1940///]
CY  - [Portland
KW  - Coal
KW  - Analysis
KW  - Oregon
N1  - 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
ER  -