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  1. Title: Map showing routes of the river and land parties engaged in exploring the Grand Cañon of the Colorado; under the command of 1st. Lieut. Geo. M. Wheeler, Corps of Engineers, U.S. Army; P.W. Hamel and L. Nell, Topographers; Weyss, Thompson & Lang del. [i.e. delineator or engraver].

    Contributors:

    Summary: Relief shown by hachures and spot heights. Prime meridian: Washington. Shows exploration routes, state borders. At lower left: "Issued Feb. 4th, 1878." "By order of the honorable, the Secretary of War, under the direction of Brig. Gen. A.A. Humphreys, Chief of Engineers, U.S. Army." Includes table of "dates of camps of river party in 1871." 1 map: 37 x 45 cm.

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  2. Title: Chart of Lake Minnetonka, Minnesota

    Contributors:

    Summary: Cartographic Details: Scale 1:20,000. "Reproduced in colors in 1906 by ..." Relief shown by contours and soundings. "Soundings, in feet, are reduced to the plane of the crest of the outlet dam, 929.4 ft." "Topography taken from a 1:48,000 scale map of the U.S. Geological Survey, made in 1905." 56 x 90 centimeters 1:20,000 General Minnesota Maps

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  3. Title: Map of mineral resources of Minnesota, 1966 (revised from 1956 edition)

    Contributors:

    Summary: Mineral resources map of Minnesota, scale 1:1,000,000.

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  4. Title: Geology of the metamorphosed Biwabik iron-formation, Eastern Mesabi district, Minnesota, Bulletin 43, Plate 1

    Contributors:

    Summary: Generalized geologic map and longitudinal diagram of the Eastern Mesabi District, Minnesota, scale 1 inch = about 1 1/4 mile.

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  5. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 15

    Contributors:

    Summary: Plate 14, Geology map of Township 60 North, Range 2 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  6. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 3

    Contributors:

    Summary: Geology of the Gunflint District, Minnesota, scale 1:24,000.

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  7. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 17

    Contributors:

    Summary: Plate 16, Geology map of Township 58 North, Range 5 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  8. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 2

    Contributors:

    Summary: Geology of Cook County, Minnesota, 1 inch = about 4 miles.

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  9. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 16

    Contributors:

    Summary: Plate 15, Geology map of Township 59 North, Range 4 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  10. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 5

    Contributors:

    Summary: 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.

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  11. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 9

    Contributors:

    Summary: Plate 8, Geology map of Townships 61 and 62 North, Range 3 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  12. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 10

    Contributors:

    Summary: Plate 9, Geology map of Township 62 North, Range 4 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  13. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 12

    Contributors:

    Summary: Plate 11, Geology map of Township 61 North, Range 1 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  14. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 4

    Contributors:

    Summary: Plate 3A, Geology of the Gunflint District, Minnesota, scale 1:24000.

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  15. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 13

    Contributors:

    Summary: Plate 12, Geology map of parts of Townships 61 and 62 North, Range 2 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  16. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 11

    Contributors:

    Summary: Plate 10, Geology map of Townships 60 and 61 North, Range 1 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  17. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 6

    Contributors:

    Summary: 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.

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  18. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 8

    Contributors:

    Summary: Plate 7, Geology map of Township 63 North, Range 5 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  19. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 14

    Contributors:

    Summary: Plate 13, Geology map of Townships 59 and 60 North, Range 3 West, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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  20. Title: Geology of Cook County, Minnesota, Bulletin 39, Plate 7

    Contributors:

    Summary: Plate 6, Geology map of Township 64 North, Range 5 East, Cook County, Minnesota, scale 1 inch = about 1/2 mile.

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