TY  - BOOK
AU  - Darton,Nelson Horatio
TI  - Structural materials in parts of Oregon and Washington
T2  - U.S. Geological survey. Bulletin 387
AV  - QE75 .B9 no. 387
PY  - 1909///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Building materials
KW  - Mines and mineral resources
KW  - Oregon
KW  - Washington (State)
N1  - Issued also as House doc. 1547, 60th Cong., 2d sess
ER  -