Keep out : old mines can be dangerous.

Bibliographic Details
Corporate Author:	United States. Office of Surface Mining Reclamation and Enforcement
Format:	Government Document Book
Language:	English
Published:	Washington, DC : U.S. Dept. of the Interior, Office of Surface Mining, [2002?]
Subjects:	Abandoned mines > Risk assessment > United States. Mine safety > United States.
Online Access:	https://purl.fdlp.gov/GPO/LPS20202

Description
Item Description:	Title from title screen. Electronic resource.
Format:	System requirements: Adobe Acrobat Reader. Mode of access: Internet from the OSMRE web site. Address as of 7/02/02: http://www.osmre.gov/keepout.pdf; current access is available via PURL.