Alabama critical minerals site name 'Harwell prospect,' GSA internal feature identification number ALMIN.14.20.119, located in the Millerville 7.5' quadrangle in Clay County, Alabama. This site has been documented to contain the commodity(ies) gold, potential arsenic, potential copper, potential iron, potential lead, potential PGEs, potential zinc. Was there past production of these minerals at this site?: No. The reference in which more information can be found on this site and its minerals can be found in: Adams, G.I., 1930, Gold of Alabama and occurrence of copper, pyrite, arsenic, and tin: Alabama Geological Survey Bulletin 40, p. 36. Spaine, S.I., 1969, Base- and precious-metal and related deposits of Alabama: Alabama Geological [...]