The Geological and Natural History Survey of Minnesota. The seventeenth annual report for the year 1888.

Winchell, N.H.2010-01-072010-01-071889https://hdl.handle.net/11299/56253Summary of the geological and natural history studies carried out in Minnesota during 1888.engeologynatural historyMinnesotalandformsThe Geological and Natural History Survey of Minnesota. The seventeenth annual report for the year 1888.Map