Title
The Geological and Natural History Survey of Minnesota. The twentieth annual report for the year 1891.
Publisher
Minnesota Geological Survey
Abstract
Summary of the geological and natural history studies carried out in Minnesota during 1891.
Suggested Citation
Winchell, N.H..
(1893).
The Geological and Natural History Survey of Minnesota. The twentieth annual report for the year 1891..
Minnesota Geological Survey.
Retrieved from the University of Minnesota Digital Conservancy,
https://hdl.handle.net/11299/56264.