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https://www.usgs.gov/publications/glacial-geology-shingobee-river-headwaters-area-north-central-minnesota
Glacial geology of the Shingobee River headwaters area, north-central Minnesota | U.S. Geological...
During middle and late Wisconsin time in the Shingobee River headwaters area, the Laurentide Wadena lobe, Hewitt and Itasca phases, produced terminal and...
glacial geologyshingobee rivernorth centralheadwatersarea
https://www.usgs.gov/media/images/shingobee-headwaters-field-crew
Shingobee Headwaters Field Crew | U.S. Geological Survey
A group of USGS scientist performing field work in a forested area near the Shingobee Research Station.
u sgeological surveyshingobeeheadwatersfield