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Hydrology
Lakes
7
Water-supply
2
Aqueducts
1
Hydrography
1
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name
Birge, E. A. (Edward Asahel), 1851-1950
8
Wisconsin Geological and Natural History Survey
8
Smith, Leonard S. (Leonard Sewall), 1864-1947
7
Trippe, H. M
4
Hering, Rudolph, 1847-1923
2
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collection
Maps of North America
10
place
Wisconsin
8
Pennsylvania
2
Philadelphia
2
Philadelphia (Pa.)
2
Philadelphia Region
2
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genre
Maps
10
Bathymetric maps
8
Diagrams
5
Thematic maps
2
Charts
1
publisher
Wisconsin Geological and Natural History Survey
6
Philadelphia Water Department
2
Wisconsin Geological and Natural HIstory Survey
2
division
Map Division
10
type
cartographic
10
still image
4
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: Hydrology
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Surveys for a future water su…
Surveys for a future water su…
Hydrographic map of Big Cedar…
Hydrographic map of Elkhart L…
Hydrographic map of the Ocono…
Hydrographic map of Green Lak…
Hydrographic map of Delavan a…
Hydrographic map of the Chain…
Hydrographic map of Lake Beul…
Hydrographic map of the Ocono…