The undeveloped mineral resources of Pennsylvania / introduction by George H. Ashley.
Material type:
TextSeries: Bulletin M ; 18-A.Publication details: Harrisburg, Pa. : Department of internal affairs, Topographic and geologic survey, 1933.Description: 16 p. : incl. tables ; 23 cmSubject(s): LOC classification: - TN24.P4 A7
No physical items for this record
At head of title: Pennysylvania Geological survey, Fourth series.
There are no comments on this title.
Log in to your account to post a comment.