Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1970. Soft cover. Item #46783
A compilations of eleven papers on the abundance, distribution, and testing of mercury in rocks, soils, waters, plants, and the atmosphere. 67 pages with figures, graphs, tables and references. Bound in original stiff gray paper printed in black. Name written on the front cover. A very good plus copy.