Soil survey, Loudoun County, Virginia
Porter, H. C. 1908-
Soil survey, Loudoun County, Virginia [by H. C. Porter and others. Correlation by W. E. Hearn and W. S. Ligon. - Washington] U.S. Dept. of Agriculture, Soil Conservation Service, 1960. - iii, 118 p. illus., maps (part fold. col.) 28 cm.
Cover title.
"Literature cited": p. 118.
agr61000010
Soil surveys--Virginia--Loudoun County.
C1293.L5 / P6 1960
Soil survey, Loudoun County, Virginia [by H. C. Porter and others. Correlation by W. E. Hearn and W. S. Ligon. - Washington] U.S. Dept. of Agriculture, Soil Conservation Service, 1960. - iii, 118 p. illus., maps (part fold. col.) 28 cm.
Cover title.
"Literature cited": p. 118.
agr61000010
Soil surveys--Virginia--Loudoun County.
C1293.L5 / P6 1960