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Browse All : Atlas Map and Geology by Campbell, R.A. of Illinois

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Geological map, Illinois.
Campbell, R.A.; Worthen...
Geological map, Illinoi...
1870
[State Atlas, World Atl...
 
Author
[Campbell, R.A., Worthen, Amos Henry, 1813-1888]
Note
Hand colored map. Shows 8 geologic units (Tertiary, Coal measures, Lower Carboniferous, Devonian, Upper Silurian, Cincinnati Group, Trenton Limestone and Calciferous Group). Prime meridians: Greenwich and Washington.
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