||Approximate locations and short descriptions of mines, deposits, and districts where critical minerals are found. The critical minerals are discussed in USGS Professional Paper 1802 many of these locations are described in further detail in that report.
||Schulz, Klaus J. (Editor), DeYoung, John H. Jr. (Editor), Seal, Robert R. II (Editor), Bradley, Dwight C. (Editor)
||U.S. Geological Survey Professional Paper 1802
||Questions and answers