1. Dalbo, Minn Yale Public content 1965. 2011-12-12T21:29:56Z. 2022-03-29T20:39:47Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Minnesota.
2. Elk River, Minn Yale Public content 1965. 2011-12-12T21:29:56Z. 2022-03-29T20:39:47Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Minnesota.
3. La Crosse, Wisc-Minn Yale Public content 1965. 2011-12-12T21:40:40Z. 2022-03-29T20:41:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Minnesota and Wisconsin.
4. Monticello, Minn Yale Public content 1965. 2011-12-12T21:30:02Z. 2022-03-29T20:39:47Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Minnesota.