Alabama critical minerals site name 'Unnamed quarry occurrence,' GSA internal feature identification number ALMIN.28.20.033, located in the Howelton 7.5' quadrangle in Etowah County, Alabama. This site has been documented to contain the commodity(ies) aluminum (aluminum oxide), calcium (calcium carbonate), iron (iron oxide), magnesium (magnesium carbonate), phosphorus (phosphorus pentoxite), silica (silicon dioxide). 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: Smith, W.E., 1969, Limestone in Neathery, T.L., Clarke, O.M., Jr., Szabo, M.W., and Smith, W.E., Mineral resources map of Etowah County, Alabama (1:126,720): [...]