http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cambrian through Mississippian rocks of the Powder River Basin, Wyoming, Montana, and adjacent areas
vi, 174 pages : illustrations, maps ; 28 cm.
"U.S. Department of the Interior, U.S. Geological Survey"--Title page verso.
Includes bibliographical references (pages M162-M174).
Evolution of sedimentary basins--Powder River Basin ; ch. M
U.S. Geological Survey bulletin ; 1917-M