- Creator:
- Rogers, Henry D. (Henry Darwin), 1808-1866
- Contributor:
- Lesley, J. P. (J. Peter), 1819-1903; Dalson, A. A; Rogers, William Burton, 1809-1882; Geological Survey of Pennsylvania
- Created:
- 1858
- Contributed By:
- University of Minnesota Libraries, John R. Borchert Map Library.
- Page Count:
- 2
- Last Updated:
- 2021-05-05
- Creator:
- Rogers, Henry D. (Henry Darwin), 1808-1866
- Contributor:
- W. & A.K. Johnston Limited; Geological Survey of Pennsylvania
- Created:
- 1858
- Contributed By:
- University of Minnesota Libraries, John R. Borchert Map Library.
- Page Count:
- 2
- Last Updated:
- 2021-05-05
- Creator:
- Lehman, Ambrose E. (Ambrose Edwin), 1851-1917
- Contributor:
- Frazer, Persifor, 1844-1909; Lesley, J. P. (J. Peter), 1819-1903; Geological Survey of Pennsylvania
- Created:
- 1875 - 1885
- Contributed By:
- University of Minnesota Libraries, John R. Borchert Map Library.
- Page Count:
- 3
- Last Updated:
- 2021-05-05