Upham, Warren2009-07-162009-07-161895Monographs of the United States Geological Survey V. 25https://hdl.handle.net/10365/5467The glacial lake, which is the theme of this volume, extended along the Red River Valley and covered the lake country of Manitoba.en-UShttps://www.govinfo.gov/about/policies#copyrightGlacial epoch.Agassiz, Lake.