Pennsylvania minerals
Subtitle: a report
By: of the Joint State Government Commission to the General Assembly of the Commonwealth of Pennsylvania, session of 1955
Publisher: The Commission
Published: 1955
Place of publication: Harrisburg]
Language: eng
Number of pages: 43
Subjects: Mineral industries
Notes: Pa. State Docs. class. no. PGA 88.2:P415m

Bibliography: p. 41-43.