Coal mine maps
Contributors: National Mine Health and Safety Academy
Edition: Rev. 1991
Series: Safety manual -- no. 12; Safety manual (National Mine Health and Safety Academy) -- 12
Publisher: U.S. Dept. of Labor, Mine and Safety and Health Administration, National Mine Health and Safety Academy
Published: 1991
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 22
Subjects: Mine inspection -- United States; Coal mines and mining -- United States; Mine maps
Notes: Includes bibliographical references (p. 19)