Mines and Mineral Processing Plants in the United States (GMC-33) (USGS Map I-2654) McCartan, L., LaTurno, N. M., Ambroziak, R. A. (1:6,000,000; 1998). Size: 54" x 40". Description: This map shows locations throughout the U.S. where minerals are mined and processed and gives some idea of the many minerals that are essential to maintaining our technologically advanced lifestyle. Color map comes folded in accompanying manilla envelope.