Skip to main content
USGS - science for a changing world
Advanced Search

Filters: Tags: niobium (columbium) (X)

1 result (25ms)   

View Results as: JSON ATOM CSV
thumbnail
This data set includes mineral and metal operations in the United States. The data represent commodities monitored by the National Minerals Information Center of the USGS, and the operations included are those considered active in 2003 and surveyed by the MIT. Additional mineral and metal operations information can be obtained from the U.S. Geological Survey National Minerals Information Center web page at: <http://minerals.usgs.gov/minerals/>
Tags: iron ore, manganese, kyanite, gemstones, mineral operations, All tags...


    map background search result map search result map Active Mines and Mineral Processing Plants in the United States in 2003 Active Mines and Mineral Processing Plants in the United States in 2003