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Geology
Explorations and surveys
3
Pacific railroads
3
Discovery and exploration
2
Surveys
2
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name
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Ackerman Lithr
Blake, William P. (William Phipps), 1826-1910
3
Foster, J. W. (John Wells), 1815-1873
3
United States. War Department. Office of P.R.R. Surveys
3
Whitney, J. D. (Josiah Dwight), 1819-1896
3
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collection
Maps of North America
8
place
Michigan
5
California
3
Upper Peninsula
3
Upper Peninsula (Mich.)
3
Isle Royale
2
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genre
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Maps
Geological cross-sections
4
Geological maps
4
Diagrams
1
Physical maps
1
publisher
publisher not identified
4
War Dept., U.S. Pacific Rail Road Explorations & Surveys
3
U. S. House of Representatives?
1
division
Map Division
8
type
cartographic
8
still image
3
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8 results found
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Genre
: Maps
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Name
: Ackerman Lithr.
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Topic
: Geology
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Geological map of the distric…
Geological map of Isle Royale…
Section and diagram illustrat…
Geological map of Isle Royale…
Geological map of the Lake Su…
Geological section along the …
Geological section of the Sie…
Geological section from the C…