Schwartz, G.M.2010-09-012010-09-011947-08The Conservation Volunteer July/August 1947https://hdl.handle.net/11299/93587One of a series of articles that appeared between 1947 and 1961 written by staff of the Minnesota Geological Survey and the University of Minnesota.Brief summary of the geology of Interstate Park, Minnesota.engeologystate parksMinnesotaSt. Croix RiverArticle