Warning!
Subtitle: old mines can be dangerous
Contributors: United States. Office of Surface Mining Reclamation and Enforcement
Publisher: U.S. Dept. of the Interior, Office of Surface Mining Reclamation and Enforcement
Published: 1986
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Mine safety
Other titles: Old mines can be dangerous
Notes: Shipping list no.: 86-740-P