The Spring/Summer 1953 edition of the Geological Society of Minnesota (GSM) newsletter included plans for summer field trips, an article on Newton Horace Winchell, an article on time-lapse, memorials to W. C. Wilson and Lynn Gardiner, and a report on the Midwest federation convention in St. Louis.
The Fall/Winter 1964 edition of the Geological Society of Minnesota (GSM) newsletter included society notices, a report on a GSM display at a bank in Minneapolis, notice of a field trip to the Finger Lakes of New York, explanation of the hiatus in publication of the newsletter, and memorials to Mrs. Henry L. Woltman, Dr. Henry W. Woltman, Mrs. Anna Meuller Ermert, and Harry Sommers, announcement of a field trip to examine declining water levels in the west Metro, and reports on field trips to Moose Lake and the Minnesota River Valley.
The Spring/Summer 1967 edition of the Geological Society of Minnesota (GSM) newsletter included society notices such as the message from the President, a memorial to John Orval Engen, and articles on fossil hunting in Minnesota by Dr. Robert E. Sloan, on clay minerals of Minnesota by Dr. Walter Parham, on Minnesota Prehistoric Archeology by State Archeologist Dr. Eldon Johnson, on glacial history of the Twin Cities by Dr. John E. Stone, and on continental drift by Dr. J. C. Craddock, as well as a memorial to Dr. Leslie O. Dart who had died in 1962.
The Fall/Winter 1966 edition of the Geological Society of Minnesota (GSM) newsletter included society notices, as well as memorials to Charles H. Havill, Madeline Weaver, Opal Gruner, Ben Hur Wilson, and William C. Conant, and an article on Copper.
The Spring/Summer 1966 edition of the Geological Society of Minnesota (GSM) newsletter mentioned completion of the 32-site geologic marker program, and included society notices, memorials to Lulu Zalusky, Nellie E. Howard, and Ida M. Swanson, and plans for field trips and lectures, along with articles on the Precambrian by Dr. W.C. Phinney and by Dr. Henry Lepp, on origin of petroleum by Dr. F.M. Swain, on age determination of rocks by Dr. J.A. Grant, on paleoecology by Dr. E.J. Cushing, on Pleistocene geology by Dr. H.E. Wright, and on structure of continents by Dr. J.C. Craddock, as all as an article on earthquakes.
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of proposed Voyageurs National Park, Northern Minnesota, scale 1 inch = about 1 1/4 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23409.pdf