TY  - RPRT
TI  - Maps of distribution and abundance of selected species of birds on uncultivated native upland grasslands and shrubsteppe in the Northern Great Plains
AU  - Harold A. Kantrud
PY  - 1982
UR  - https://pubs.usgs.gov/publication/fwsobs82_31
ID  - fwsobs82_31
ER  -