Relief shown by contours and spot heights. "Contour interval 10 feet." "Topographic base map by U.S. Geological Survey 1954 (photorevised 1968)." "Portions of this map were based on the following: bedrock modified from Brill, K.G., Geologic mapping in St. Louis County: unpubl. geol. maps, scale 1:24,000 ; surficial geology modified from Goodfield, A.G., 1965, Pleistocene and surficial geology of the City of St. Louis and the adjacent St. Louis County, Missouri: unpubl. Ph.D. diss. U. Ill., Urbana ; surficial soils modified from Krusekopf, H.H. and Pratapas, D.B. 1919, Soil map St. Louis County: U.S. Dept. of Agriculture, one sheet, scale 1:62,500." "Plate 1." Accompanied by booklet: Engineering geology of the Creve Coeur quadrangle, St. Louis County, Missouri / by John D. Rockaway, Jr. and Edwin E. Lutzen. Rolla, Mo. : Missouri Geological Survey and Water Resources, 1973. Includes notes, adjoining sheets index, declination diagram, and location map.