http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mineral Resources of the Papa Keal and Zapata Creek wilderness study areas, Alamosa County, Colorado
HANNIGAN, Brian J.: -- Mineral Resources of the Papa Keal and Zapata Creek wilderness study areas, Alamosa County, Colorado.1986 -- s. JOHNSON, Bruce R.