http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Circle : 1:100 000-scale topographic map : 30 x 60 minute series (topographic)
National Science and Technology Center (U.S.)
edited and published by the Bureau of Land Management, National Science and Technology Center in cooperation with the Bureau ... Montana State Office.
Relief shown by contours and spot heights.
Shows minerals owned by the federal government, and townships and range lines.
"Planimetry partially revised by BLM from various source material. Revised information not field checked."
Includes location map and indexes to adjoining maps and to 1:24,000-scale maps.