Geological Survey (U.S.) & Watts, K. C. (1992). Isopleth maps showing above-median concentrations of lead and copper in stream-sediment concentrate, Glens Falls 1 x 2 quadrangle, New York, Vermont, and New Hampshire. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and K. C. Watts. Isopleth Maps Showing Above-median Concentrations of Lead and Copper in Stream-sediment Concentrate, Glens Falls 1 X 2 Quadrangle, New York, Vermont, and New Hampshire. Reston, VA: The Survey, 1992.
MLA (9th ed.) CitationGeological Survey (U.S.) and K. C. Watts. Isopleth Maps Showing Above-median Concentrations of Lead and Copper in Stream-sediment Concentrate, Glens Falls 1 X 2 Quadrangle, New York, Vermont, and New Hampshire. The Survey, 1992.
Warning: These citations may not always be 100% accurate.