Annual report on the geological exploration of the state of Pennsylvania
by Henry D. Rogers
Journals, Magazines, Newspapers
[Harrisburg] : [The Survey], 1838
- Online versions also available via Google Book Search Library Project and University of Pittsburgh Digital Research Library.
- Continues: Geological Survey of Pennsylvania. Annual report of the State Geologist ...
- Continued by: Geological Survey of Pennsylvania. Annual report on the geological survey of the state of Pennsylvania.
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