| |
| | THE SANDSTONE KARST OF PINE COUNTY, MINNESOTA (Site not responding. Last check: 2007-10-21) |
 | | SHADE, Beverley L. Calvin Jr, and ALEXANDER, Scott C., (1) Geology and Geophysics, University of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, shad0017@umn.edu, (2) Geology and Geophysics, Univ of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455 |
 | | Central Pine County, located in east central Minnesota, has approximately 250 mapped karst sinkholes. |
 | | The sinkholes feed a complex groundwater flow system, which in turn feeds a number of springs. |
| gsa.confex.com /gsa/2001AM/finalprogram/abstract_27144.htm (384 words) |
|