United States. Soil Conservation Service. cartographic Maps. lcgft https://id.loc.gov/authorities/genreForms/gf2011026387 Alexandria, La., 1969. eng "4-R-16, 329-A. Compiled from base 4-R-27, 151." Includes text and table "Proportion of association in parish". "Soil interpretation for selected uses" table on verso. Scale 1:253,440; Soils--Louisiana--Lafourche Parish--Maps. United States Louisiana Lafourche Parish. Available also through the Library of Congress Web site as a raster image. https://hdl.loc.gov/loc.gmd/g4013l.ct011128