TY  - BOOK
AU  - Superfesky, MIchael J.
AU  - williams, Geroge P.
TI  - Sher strength of surface-Mine spoils measured by triaxial and direct shear methods
U1  - 624.151 21st ed
KW  - civil forest service
KW  - soil classification,measurments
KW  - forest product laboratory
N1  - Forest service general technical report NE-39, U.S.Department of Agriculture northeastern forest experiment station
ER  -