Alabama critical minerals site name 'Unnamed occurrence,' GSA internal feature identification number ALMIN.28.20.025, located in the Altoona 7.5' quadrangle in Etowah County, Alabama. This site has been documented to contain the commodity(ies) manganese (manganese oxide). 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: McCalley, Henry, 1897, Report on the Valley Regions of Alabama, Pt. II: Alabama Geological Survey Special Report 9, p. 242-243. Additional notes: No production data or development information provided. No detailed geologic information provided. Location reported to host manganese oxides (McCalley, 1897).