http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Microclimate effects from closing abandoned mines with culvert bat gates
1 online resource (iii, 13 pages) : color illustrations, col.map.
by Robert H. King ; prepared for Bureau of Land Management, Colorado State Office.
Title from title screen (viewed on June 15, 2012).
Includes bibliographical references (page 13).