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1. Surficial geology of the Knife River quadrangle, St Louis and Lake Counties, Minnesota, M-137

2003. Hobbs, Howard C. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...

2. Surficial geology of the Two Harbors quadrangle, Lake County, Minnesota, M-138

2003. Hobbs, Howard C. Quaternary geology map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution an...