map A. Geochemical sample sites and data
map B. Lead in heavy-mineral concentrates from stream sediments and radon in water samples
map C. Zinc, antimony, beryllium, and niobium in heavy-mineral concentrates of stream sediments
map D. Bismuth, gold, and silver in heavy-mineral concentrates of stream sediments
map E. Molybdenum in heavy-mineral concentrates from stream sediments
map F. Tin and tungsten in heavy-mineral concentrates from stream sediments
map G. Copper in heavy-mineral concentrates from stream sediments.