Soil survey, Montgomery County, Pennsylvania. [Report
Smith, Robert V., 1928-
Soil survey, Montgomery County, Pennsylvania. [Report by Robert V. Smith. - Washington] U.S. Dept. of Agriculture, Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1967. - i, 187 p. illus., maps (part fold. col.) 28 cm.
Cover title.
Bibliography: p. 185-186.
agr67000243
Soil surveys--Pennsylvania--Montgomery County.
S599.P4 / S6
631.4/7/74812
Soil survey, Montgomery County, Pennsylvania. [Report by Robert V. Smith. - Washington] U.S. Dept. of Agriculture, Soil Conservation Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1967. - i, 187 p. illus., maps (part fold. col.) 28 cm.
Cover title.
Bibliography: p. 185-186.
agr67000243
Soil surveys--Pennsylvania--Montgomery County.
S599.P4 / S6
631.4/7/74812