REFINE
Browse All : Geology and State Atlas by Mitchell, Samuel Augustus and R.A. Campbell
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Author
[Campbell, R.A., Worthen, Amos Henry, 1813-1888]
Full Title
Worthens new geological map of Illinois. Prepared expressly for Campbell's Illinois atlas. (Drawn by R.A. Campbell and H.F. Walling). Entered ... 1869 by R.A. Campbell ... Pennsylvania. (1870)
List No
2483.089
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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