Alabama minerals map 'Mineral resources map of Henry County, Alabama,' Alabama Geological Survey Special Map 49, by Clarke, O. M., Jr., Daniel, T. W., Jr., Smith, W. E., and Szabo, M. W. , published in 1966, with a scale of 1:63,360. This county minerals map, GSA internal feature identification number ALMAP.34.20.SM049, has documented the following commodity(ies): aluminum (bauxite), coal (lignite), iron (brown ore), limestone, sand, sand and gravel .