http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Crop Reporting Board, Statistical Reporting Service, U.S. Department of Agriculture.
Single copies are available from: Crop Reporting Board Publications, Rm. 5829, S.Bldg., USDA, Washington, D.C. 20050
Supt. of Docs., U.S. Govt. Print. Off., Washington, D.C. 20402