TY  - RPRT
TI  - Human drivers, biophysical changes, and climatic variation affecting contemporary cropping proportions in the northern prairie of the U.S
AU  - Roger F. Auch
AU  - George Z. Xian
AU  - Christopher R. Laingen
AU  - Kristi L. Sayler
AU  - R Reker
PY  - 2017
DO  - 10.1080/1747423x.2017.1413433
UR  - https://pubs.usgs.gov/publication/70268475
ID  - 70268475
ER  -