Alabama critical minerals site name 'Bud Clark mine,' GSA internal feature identification number ALMIN.08.20.009, located in the Jacksonville West 7.5' quadrangle in Calhoun County, Alabama. This site has been documented to contain the commodity(ies) barium (barite). Was there past production of these minerals at this site?: Yes. The reference in which more information can be found on this site and its minerals can be found in: Adams, G.I., and Jones, W.B., 1940, Barite deposits of Alabama: Alabama Geological Survey Bulletin 45, p. 36. Spaine, S.I., 1969, Base- and precious-metal and related deposits of Alabama: Alabama Geological Survey Circular 55, p. 15-16. Hughes, T.H., and Additional notes: Reported that three carloads of barite [...]