http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Stratigraphic cross sections of the Niobrara interval of the Upper Cretaceous Cody shale in the Wind River Basin, Wyoming and Montana
1 online resource (3 cross-sections) : color + pamphlet (iv, 19 pages).
Includes bibliographical references in pamphlet (pages 17-19).