TY  - BOOK
AU  - Twenhofel,William H.
TI  - Origin of the black sands of the coast of southwest Oregon,
T2  - Oregon. Dept. of Geology and Mineral Industries. Bulletin
AV  - QE155 .A3 no. 24
U1  - 558.62 
PY  - 1943///
CY  - [Portland]
KW  - Black sand
KW  - Oregon
KW  - Sedimentation and deposition
KW  - Geology
N1  - Bibliography: p. 25
ER  -