The Elkahia reading room
Reports of the Inspectors of Mines of the anthracite coal regions of Pennsylvania for the year ..
1870 · 268 pages. Mining, deposits & petrology. Historical terminology and scientific conclusions may differ from current knowledge.
- Author
- Pennsylvania. Inspectors of Mines
- Subject
- Other
- Language
- English
- PDF size
- 18.1 MB
Institution identifies this edition as public domain. PDF reproduced unchanged. Digitization credit: The University of Scranton Weinberg Memorial Library.