Soil map, reconnoissance survey, western North Dakota. Shows soil types by colors and symbols. Also shows counties, towns, and railroads. 1 map : color ; 91 x 85 cm. Scale 1:380,160. 1 in. equals 6 mi..
more »Soil map, reconnoissance survey, western North Dakota. Shows soil types by colors and symbols. Also shows counties, towns, and railroads. 1 map : color ; 91 x 85 cm. Scale 1:380,160. 1 in. equals 6 miles.
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