The Pennsylvania anthracite coal field
By: by H. H. Stoek. Extract from the Twenty-second annual report of the [U. S. Geological] survey, 1900-1901.  Part III--Coal, oil, cement.
Publisher: Govt. print. off.
Published: 1902
Place of publication: Washington
Language: eng
Number of pages: 117
Subjects: Coal mines and mining -- Pennsylvania.
Notes: "Literature": p. 117.