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881. Geology of Cook County, Minnesota, Bulletin 39, Plate 3

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Geology of the Gunflint District, Minnesota, scale 1:24,000. Minnesota Geological Survey.

882. Geology of Cook County, Minnesota, Bulletin 39, Plate 4

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 3A, Geology of the Gunflint District, Minnesota, scale 1:24000. Minnesota Geological Survey.

883. Geology of Cook County, Minnesota, Bulletin 39, Plate 5

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 4, Sequence of volcanic lava flows along shore from Good Harbor Bay to Grand Portage Bay, Minnesota, scale 1 inch = about 3/4 miles. Minnesota Geological Survey.

884. Geology of Cook County, Minnesota, Bulletin 39, Plate 6

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 5, Sequence of volcanic lava flows along shore from the Lake County line to Good Harbor Bay, Minnesota, scale 1 inch = about 3/4 miles. Minnesota Geological Survey.

885. Geology of Cook County, Minnesota, Bulletin 39, Plate 7

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 6, Geology map of Township 64 North, Range 5 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile. Minnesota Geological Survey.

886. Geology of Cook County, Minnesota, Bulletin 39, Plate 8

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 7, Geology map of Township 63 North, Range 5 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile. Minnesota Geological Survey.

887. Geology of Cook County, Minnesota, Bulletin 39, Plate 9

Maps University Of Minnesota Public content
1959. Grout, Frank F. (Frank Fitch), 1880-1958, Schwartz, George M. (George Melvin), 1892-1980, and Sharp, R.P. (Surveyor). Plate 8, Geology map of Townships 61 and 62 North, Range 3 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile. Minnesota Geological Survey.

889. Geology of Minnesota: a centennial volume, Plate 1

Maps University Of Minnesota Public content
1972. Morey, G.B. and Sims, Paul K. Interpretations of bedrock geology (distribution of rock at the land surface and beneath surface sediments) of Minnesota, scale 1:1,000.000. Minnesota Geological Survey.

890. Geology of Minnesota: a centennial volume, Plate 2

Maps University Of Minnesota Public content
1972. Morey, G.B. and Sims, Paul K. Bouguer gravity anomaly map (anomaly related to different densities of rocks in the upper crust, Bouguer anomaly is a corrected difference between ... Minnesota Geological Survey.