TY  - RPRT
TI  - Ferruginous hawk nesting ecology and raptor populations in northern South Dakota
AU  - J. T. Lokemoen
AU  - Harold F. Duebbert
PY  - 1976
DO  - 10.2307/1367095
UR  - https://pubs.usgs.gov/publication/1001249
ID  - 1001249
ER  -