http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Zinc-lead-copper resources and general geology of the upper Mississippi Valley district
Wisconsin Geological and Natural History Survey
1 online resource (iii, 227-245 pages, 1 page of plate) : illustrations, maps, charts.
Title from title screen (viewed July 21, 2014).
"Prepared in cooperation with the Wisconsin Geological and Natural History Survey, the Illinois State Geological Survey, and the Iowa Geological Survey."
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
Includes bibliographical references (pages 242-243) and index.