Past Environments (Other Keyword)

1-1 (1 Record)

Modeling Proglacial Shore Lines of Glacial Lake Agassiz Around Prehistoric Quarries in Northern Minnesota (2018)
DOCUMENT Citation Only Andrew Anklam. Dan Wendt.

Since 2009 the Knife Lake siltstone quarries in the Boundary Waters Canoe Area Wilderness of Minnesota U.S. quarry district have been the focus of archaeological and geoarchaeological research. A recent survey conducted in 2014 and 2015 identified several relic beach features at varying elevations above the current water line of Knife Lake. GIS was used to model and predict these proglacial lake shoreline features to better understand the procurement patterns of Knife Lake siltstone, a prominent...