TY  - BOOK
AU  - Higgins,Kenneth F.
ED  - United States Department of the Interior
ED  - U.S. Fish and Wildlife Service
TI  - Construction and operation of cable-chain drag for nest searches
PY  - 1977///
CY  - Washington
PB  - United States Department of the Interior
KW  - Ducks
KW  - Nests
KW  - Birds
ER  -