The Geological and Natural History Survey of Minnesota. The thirteenth annual report for the year 1884.

Winchell, N.H.2010-01-062010-01-061885https://hdl.handle.net/11299/56245Summary of the geological and natural history studies carried out in Minnesota during 1884.engeologynatural historyMinnesotalandformsThe Geological and Natural History Survey of Minnesota. The thirteenth annual report for the year 1884.Map