2009. Boerboom, Terrence J and Minnesota Geological Survey. 6 pls. Scales 1:100,000 and 1:200,000. Pl. 1 data-base map; pl. 2, bedrock geology; pl. 3, surficial geology; pl. 4, quaternary stratigraphy; pl. 5... University of Minnesota.
2014. Boerboom, Terrence J and Minnesota Geological Survey. Surface and bedrock geology of Kanabec County, Mn., also includes data-base information, bedrock topography, depth to bedrock in GIS and image form... University of Minnesota.