TY  - RPRT
TI  - U.S. Geological Survey Karst Interest Group Proceedings, Fayetteville, Arkansas, April 26-29, 2011
PY  - 2011
DO  - 10.3133/sir20115031
UR  - https://pubs.usgs.gov/publication/sir20115031
ID  - sir20115031
ER  -