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
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.
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 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 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 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 1953-1954 edition of the Geological Society of Minnesota (GSM) newsletter included an editorial on the future of the society, the weekly lecture schedule, an article on mineral hardness, and an article discussing GSM field trips.
The Spring/Summer 1965 edition of the Geological Society of Minnesota (GSM) newsletter included society notices, a memorial to William F. Schroeder, articles by Dr. Robert E. Sloan on the Cretaceous, by Dr. Tibor Zoltai on gems and minerals, and by Dr. H. F. Arneman on soils, and a report on plans for a field trip to the eastern U.S.
The Fall/Winter 1965 edition of the Geological Society of Minnesota (GSM) newsletter included society notices, a memorial to Josephine McWethy, a report on the 1965 long trip to the world's fair in New York City, an article on the geology of New York state, and report on field trips to St. Cloud and to Wisconsin.
The Winter 1960 edition of the Geological Society of Minnesota (GSM) newsletter included articles on the risk that carbon dioxide emissions may cause climate change and on geology of the Twin Cities, and a report on activity of the American Federation of Mineralogical Societies.
The Spring/Summer 1957 edition of the Geological Society of Minnesota (GSM) newsletter reported on plans for the field trip to Colorado and New Mexico, as well as twice-monthly local summer field trips and the Midwest federation field trip convention, and an article on uranium mines.
The Spring/Summer 1958 edition of the Geological Society of Minnesota (GSM) newsletter described twice-monthly field summer trips, a report on society affairs, and an article on nickel.
The Spring/Summer 1959 edition of the Geological Society of Minnesota (GSM) newsletter discussed cancellation of the field trip to Ohio and Indiana, and an article on the distribution of rock types relative to region and age.
The Fall/Winter 1958-59 edition of the Geological Society of Minnesota (GSM) newsletter outlined plans for twice-monthly lectures, a summary of basic geological terminology, a discussion of field trips, and an article on ore minerals.
The Spring/Summer 1954 edition of the Geological Society of Minnesota (GSM) newsletter included a listing of planned summer field trips, an article on aluminum, a note on plaques for Minnehaha Park, Mille Lacs, Minnetonka, and Elk River, a report on the Midwest convention in Milwaukee, memorials to Ralph Hollingsworth, H. H. Edgerton, and Maida Wheeler, and a story on the around-the-world trip made by Mr. and Mrs. Henry Sommers.
The Fall/Winter 1954-1955 edition of the Geological Society of Minnesota (GSM) newsletter included a listing of weekly lectures, am article on how rocks can tell romantic stories, plans for twice-monthly summer field trips, and an article on the cause of ice ages.
The Winter 1955-1956 edition of the Geological Society of Minnesota (GSM) newsletter listed lectures, several given by Dr. Sloan, plans for a two-week trip to Montana and Washington, an open letter from the Board, articles on time and on soil, and a memorial to Charles H. Preston.
The Spring/Summer 1955 edition of the Geological Society of Minnesota (GSM) newsletter included an article on Hawaii, an article and map showing location of 28 geological markers across Minnesota, as well as the text for markers at St. Louis River, Duluth Harbor, and the Mesabi Range, as well as a financial statement for the society.
The Spring/Summer 1956 edition of the Geological Society of Minnesota (GSM) newsletter included plans for twice-monthly summer field trips, plans for the Midwest federation convention in St. Paul, and the text of plaques at Red Wing, Whitewater State Park, Grand Marais, and Lake Harriet.
The Lecture Season 1956-1957 edition of the Geological Society of Minnesota (GSM) newsletter indicated that the geological marker project that had been funded by the Louis W. and Maud Hill Family Foundation was nearing completion, as well as three articles on field trips.
The Fall/Winter 1957-1958 edition of the Geological Society of Minnesota (GSM) newsletter indicated plans for lectures, including a structural geology series by J. Campbell Craddock, news on the Burch Rock Collection, a financial statement, and a report on the Midwest convention in Platteville.