http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an assessment of references and annotated bibliography
Office of Surface Mining Reclamation and Enforcement.
Division of Technical Services & Research.
Distributed to depository libraries in microfiche.
"Prepared by D'Appolonia Consulting Engineers, Inc. under the U.S. Dept. of the Interior, Office of Surface Mining, contract number J5110053"--P. [1].