TY  - BOOK
AU  - Libbey,Fay Wilmott
AU  - Allen,John Eliot
AU  - Treasher,Raymond Clarence
AU  - Lancaster,Hugh Kenneth
TI  - Manganese in Oregon,
T2  - Oregon. Dept. of Geology and Mineral Industries Bulletin
AV  - QE155 .A3 no. 17
U1  - 553.46 
PY  - 1942///
CY  - [Portland, Or.]
KW  - Manganese ores
KW  - Oregon
N1  - At head of title: State of Oregon.  Dept. of Geology and Mineral Industries; Reproduced from type-written copy; Bibliography: p. 73-74
ER  -