Mine plants and operations for commodities monitored by the National Minerals Information Center of the USGS. Operations included are those considered active in 2003 and surveyed by the USGS.
A GIS database of geologic units and structural features in Alabama, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in Alaska, with lithology, age, data structure, and format written and arranged just like the other states.
A comprehensive database of Alaskan mineral deposits compiled from the published literature and from unpublished reports and data from industry, the US Bureau of Land Management, and USGS.
A GIS database of geologic units and structural features in Arizona, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in Arkansas, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in California, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in Colorado, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in Connecticut, with lithology, age, data structure, and format written and arranged just like the other states.
A GIS database of geologic units and structural features in Delaware, with lithology, age, data structure, and format written and arranged just like the other states.