http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
1 map : color ; 85 x 70 cm., on sheet 92 x 92 cm., folded to 23 x 11 cm.
Bureau of Land Management [and] National Park Service ; edited and published by the Bureau of Land Management.
Relief shown by contours and spot heights.
"Base map prepared by the U.S. Geological Survey."
Includes location map and index to other maps.
Scale 1:100,000. 1 cm. on the map represents 1 km. on the ground ;
El Malpais National Conservation Area (N.M.)