TY  - RPRT
TI  - Karst database development in Minnesota: Design and data assembly
AU  - Y. Gao
AU  - E.C. Alexander
AU  - R.G. Tipping
PY  - 2005
DO  - 10.1007/s00254-005-1240-3
UR  - https://pubs.usgs.gov/publication/70029661
ID  - 70029661
ER  -