TY  - BOOK
AU  - Thayer,Thomas Prence
TI  - Geology of the Salem Hills and the North Santiam River basin, Oregon,
T2  - Oregon. Dept. of Geology and Mineral Industries. Bulletin
AV  - QE155 .A3 no. 15
U1  - 285 sB no. 15 
PY  - 1939///
CY  - Portland, Ore.
KW  - Geology
KW  - Oregon
KW  - Salem Hills
KW  - North Santiam River and Valley
N1  - Photoprinted; Errata slip inserted; Bibliographical foot-notes
ER  -