TY  - RPRT
TI  - Marl prairie vegetation response to 20th century hydrologic change
AU  - Christopher E. Bernhardt
AU  - Debra A. Willard
PY  - 2007
DO  - 10.3133/ofr20061355
UR  - https://pubs.usgs.gov/publication/ofr20061355
ID  - ofr20061355
ER  -