Rock and mineral identification for engineers.
APA Citation
United States. Federal Highway Administration. (1991). Rock and mineral identification for engineers. [Washington, D.C.]: U.S. Dept. of Transportation, Federal Highway Administration.
MLA Citation
United States. Federal Highway Administration. Rock And Mineral Identification for Engineers. [Washington, D.C.]: U.S. Dept. of Transportation, Federal Highway Administration, 1991.
Warning: These citations may not always be complete (especially for serials).