The anthracite coal beds of Pennsylvania
By: by Charles A. Ashburner ...
Contributors: YA Pamphlet Collection (Library of Congress)
Edition: Author's ed.
Publisher: s.n.]
Published: 1882
Place of publication: [S.l
Language: eng
Number of pages: 24
Subjects: Anthracite coal -- Pennsylvania.
Notes: Cover title.
"A paper read before the American Institute of Mining Engineers, at the Colorado meeting, August, 1882."