Title: U.S. Geological Survey mineral databases, MRDS and MAS/MILS
Description: Contains Mineral Resource Data System (MRDS) and Minerals Availability System/Minerals Industry Location System (MAS/MILS) databases. MRDS database features almost 200 data fields describing metallic and nonmetallic mineral resource, deposits, and commodities. MAS/MILS database includes almost 100 data fields describing mines and mineral processing plants.
Subjects: Mines and mineral resources, Databases, Mineral industries, Directories