TY  - BOOK
AU  - Leighton,Morris M.
TI  - The road building sands and gravels of Washington,
T2  - Washington. Geological Survey. Bulletin
AV  - TE200 .L4
PY  - 1919///
CY  - Olympia
PB  - F.M. Lamborn, Public Printer
KW  - Roads
KW  - Washington (State)
N1  - Bibliography: p. [292]-294
ER  -