U.S. Department of Agriculture, Bureau of Soils. Map. U.S. Department of Agriculture, Bureau of Soils Map for Colorado San Luis Valley Sheet 1903. Alkali Map. Soils surveyed by J. Garnett HolmesCONDITION: Map and legend clear and easily read. Colors still bright. Some light soiling. Some page separation occurring at creases.....

Item #071077