Isopleth maps of pH and alkalinity in stream waters, and sodium in stream sediments of West Virginia / U.S. Department of the Interior, U.S. Geological Survey ; by M.E. Hinkle, K.C. Watts, Jr., and W.R. Griffitts
Miscellaneous investigations series ; map I-2364-E Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-2364-E.
Map A. Distribution of pH of stream-water samples (SRL analyses) -- Map B. Distribution of sodium concentrations in stream-water samples (SRL analyses) -- Map C. Distribution of alkalinity of stream-sediment samples (SRL analyses) -- Map D. Geology and sample locations.