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471. Geology of the anorthosites of the Minnesota coast of Lake Superior, Bulletin 28, Plate 6
1939. Grout, Frank F. and Schwartz, Geroge M. Structural (recognizable features produced by deformation of rocks) map of anorthosite occurrence, scale 1 inch = about 2 miles.
472. Geology of the Cloquet quadrangle, Carlton County, Minnesota, Plate 1
1970. Wright, Herbert E., Mattson, L.A., and Thomas, J.A. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Cloquet Quadrangle, Carlton County, ...
473. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 1
1955. Grout, Frank F. and Wolff, J.F., Sr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) around the Cuyuna district, Minnesota, ...
474. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 2
1955. Grout, Frank F. and Wolff, J.F., Sr. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) the Cuyuna Iron District, North Range a...
475. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 3
1955. Grout, Frank F. and Wolff, J.F., Sr. Cross section B-B, geology of the Cuyuna Range, Minnesota, scale 1 inch = 500 feet.
476. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 4
1955. Grout, Frank F. and Wolff, J.F., Sr. Cross sections A-A and C-C, geology of the Cuyuna Range, Minnesota, scale 1 inch = 500 feet.
477. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 5
1955. Grout, Frank F. and Wolff, J.F., Sr. Map of west extension of South Range, Cuyuna Iron District, Minnesota, scale 1 inch = about 3/4 mile.
478. Geology of the Cuyuna district, Minnesota: a progress report, Bulletin 36, Plate 6
1955. Grout, Frank F. and Wolff, J.F., Sr. Diagram showing correlation of subdivisions of Iron-Formations Cuyuna, Mesabi, and Gogebic Ranges, Minnesota, , vertical scale 1 inch = about 200 f...
479. Geology of the Duluth Gabbro Complex near Duluth, Minnesota, Bulletin 44, Plate 1
1964. Taylor, Richard B. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Duluth and vicinity, St. Louis Count...
480. Geology of the Duluth metropolitan area, Bulletin 33, Plate 1
1949. Schwartz, George M. Maps showing sequence of geologic units (beds) alongshore from Mesaba Avenue to Beyond Lakewood, scale 1 inch = about 1,800 feet.