Boerboom, Terrence J.Knaeble, Alan R.Patterson, Carrie J.Map showing interpretations of Quaternary (Pleistocene [glacial] and Holocene [post-glacial]) surficial geology (distribution and type of materials at the land surface) and thickness of the Quaternary glacial materials, scale 1:100,000, Pine County.PDFengMinnesota Geological SurveyPublicGeologic atlas of Pine County, Minnesota, C-13, Part A, Plate 4, Surficial GeologyMapsMinnesota2001University of Minnesota