TY  - RPRT
TI  - A cable-chain device for locating duck nests
AU  - Kenneth F. Higgins
AU  - Leo M. Kirsch
AU  - I.J. Ball
PY  - 1969
DO  - 10.2307/3799339
UR  - https://pubs.usgs.gov/publication/1001496
ID  - 1001496
ER  -