Geochemical data for the Weldon Spring training area and vicinity property, St. Charles County, Missouri--1990-92 [microform] / by John G. Schumacher, S.J. Sutley, and J.D. Cathcart ; prepared in cooperation with the U.S. Army Corps of Engineers, Kansas City District (U.S. Geological Survey open-file report ; 93-153)
Geochemical data for the Weldon Spring training area and vicinity property, St. Charles County, Missouri--1990-92 [microform] / by John G. Schumacher, S.J. Sutley, and J.D. Cathcart ; prepared in cooperation with the U.S. Army Corps of Engineers, Kansas City District