USGS Minerals InformationStatistics and information on the worldwide supply of, demand for, and flow of minerals and materials essential to the US economy, national security, and protection of the environment. Includes Historical Statistics for Mineral and Material Commodities in the US, an online compilation of historical US statistics on mineral and material commodities. Information on approximately 90 mineral commodities, including production, imports, exports, and stocks; reported and apparent consumption; and unit value (the real and nominal price in US dollars of a metric ton of apparent consumption). For many commodities, data are reported as far back as 1900, and can be downloaded as a spreadsheet.