mineral industries of the United States.
By: by Chester G. Gilbert and Joseph E. Pogue.
Contributors: Pogue, Joseph E. b. 1887.; United States National Museum.
Series: Bulletin / United States National Museum -- 102, pt. 4; Bulletin (United States National Museum) -- no. 102, pt. 4.
Publisher: United States National Museum
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Natural resources -- United States; Coal -- United States
Other titles: Coal :