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Geological maps

Geological map of Wisconsin prepared for Walling's atlas

Map

This map of Wisconsin shows cities, counties, railroads already completed and railroads projected, and geological makeup of the land such as lakes. Manuscript annotations in watercolor depict seven geological formations. The text of the key is partly cut off but is estimated to read: (1) Granite [...], (2) Huron Iron-bearing, (3) Copper [...] trap conglomerate, (4) Potsdam sandstone, (5) Lower Silurian, (6) Upper Silurian, (7) Devonian.

Date Created:
1874
Creator:
Lapham, Increase Allen, 1811-1875 (cartographer)

Publication Information

Creator Lapham, Increase Allen, 1811-1875 (cartographer)
Date Created 1874
Language English

Physical Description

Format Map
Extent 1 map
Dimensions 28 x 26 cm, on sheet 41 x 31 cm
Scale [1:2,280,960]. 36 miles to an inch

Collection Information

Digital Collection Maps and Atlases
Call Number H GX902 1874 LA
Catalog Record https://search.library.wisc.edu/catalog/9910101109202121

Copyright Information

Copyright Status NO COPYRIGHT - UNITED STATES
Rights Holder Wisconsin Historical Society
Unique ID
W014GJS
Legacy ID
WHi 92864

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