mineral industries of the United States.
By: by Chester G. Gilbert.
Contributors: United States National Museum.
Series: Bulletin / United States National Museum -- 102, pt. 1; Bulletin (United States National Museum) -- no. 102, pt. 1.
Publisher: United States National Museum
Published: 1917
Place of publication: Washington
Language: eng
Number of pages: 16
Subjects: Natural resources -- United States; Coal -- United States
Other titles: Coal products :