Mineral resources of the Ruby Mountains wilderness study area, Madison County, Montana / by R.G. Tysdal [and four others] ; with a section on talc / by R.B. Berg.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1987.
Washington : United States Government Printing Office
Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
Bibliography
Includes bibliographical references.
System Details
Master and use copy. Digital master created according to Technical Guidelines for Digitizing Archival Materials for Electronic Access. U.S. National Archives and Records Administration, 2004. http://www.archives.gov/preservation/technical/guidelines.html TxDN
Processing Action
digitized 2015 University of North Texas committed to preserve pda TXdn.010
Reproduction
Electronic reproduction. Denton, Texas : University of North Texas, 2015 . Electronic reproduction from print master produced by University of North Texas.