United States Department of the Interior Geological Survey
Date Created:
1969
Description:
Little Swan quadrangle topographic map (N4715-W9245.5/7.5) featuring handwritten notations by Ray Segar in pencil regarding logging railroad lines and camps in the area between Toivola and Buhl.
Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of east-central Minnesota, scale 1 inch = about 8 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23384.pdf
Generalized interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Central part of Vermillion District, Minnesota, scale 1 inch = about 1 mile. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23405.pdf
Lineament (features that form a line) map of Gabbro Lake Quadrangle, Lake County, Minnesota, scale 1 inch = about 1.5 miles. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23406.pdf
Summary of top-direction (identification of the tops of volcanic lava flows, characteristics that can be used for the identification of lava flow tops), data in part of the Gabbro Lake Quadrangle, Lake County, Minnesota, showing locations of cross-sections. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23407.pdf
Lowrey's Map of the City of Duluth. Included in the map: a key to city streets, the Corporate Limits of Duluth, the Lake Superior shoreline and the Duluth Harbor. Also indicated on the map are Duluth city parks including Chester Park, Enger Park, Wheeler Field, Fairmount Park, Fond Du Lac Park, Northland Country Club, Ridgeview Golf Course, and the Lester Park Golf Course.
Wirth, Theodore, 1863-1949; Godward, Alfred C., 1886-1913
Date Created:
1921
Description:
A plan for a proposed warehouse and tool shops at Lyndale Farmstead in Minneapolis, Minnesota. The plan is found in the Thirty-eighth Annual Report of the Board of Park Commissioners of the City of Minneapolis, after page 76.
Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of the Eastern Mesabi District, Minnesota, scale 1:31,250. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn23278.pdf
Northern Pacific Railway, Office of Chief Engineer
Date Created:
1943-07-23
Description:
Map (white line blueprint on paper) showing the Northern Pacific rail track in the Duluth Lakefront area from 6th Avenue East to 20th Avenue West. Including the north end of Rices Point Yard, other railroads, city streets, miscellaneous railroad (including the Union Depot) and private structures. Revised 5-14-1949 Scale 1"=100'
Distribution of major element chemistry in Cretaceous age aquifer rocks, scale 1:1,000,000; Quaternary age glacial and stream sediments, scale 1:2,000,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22454.pdf
Distribution of major element chemistry in the Cedar Valley-Maquoketa-Dubuque-Galena aquifer; Franconia-Ironton-Galesville aquifer; St. Peter aquifer; Prairie du Chien-Jordan aquifer; Mt. Simon-Hinckley-Fond du Lac aquifer, scale 1:1,000,000. Electronic file available at: ftp://mgsftp2.mngs.umn.edu/map_catalog/pdf/umn22455.pdf
United States Department of the Interior Geological Survey; State of Minnesota, Iron Range Resources and Rehabilitation Commission
Date Created:
1951
Description:
Makinen quadrangle topographic map (N4715-W9215.5/7.5) featuring handwritten notations by Ray Segar in pencil and red ink regarding logging railroad lines and camps in the area between Palo and Whiteface.