http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Copper Harbor Conglomerate (Middle Keweenawan) on Isle Royale, Michigan, and its regional implications
"Prepared in cooperation with the National Park Service."
Geological Survey professional paper ; 754-B
Geology of Isle Royale National Park, Michigan