http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Index of graduate theses on Montana geology
iii, 104 pages : maps (2 folded color in pocket) ; 29 cm.
compiled by S. J. Czehura and R. B. Berg.
Special publication (Montana Bureau of Mines and Geology) ; 77