How teachers in rural elementary schools may use a soil survey ...
Contributors: Lane, C. H. (Charles Homer), 1877-1944
Series: S.R.S. doc -- S68.
Published: 1917
Place of publication: Washington]
Language: eng
Subjects: Soils
Notes: Caption title

Signed: C.H. Lane.

"March 1, 1917"--page 2

At head of title: United States Dept. of Agriculture. States Relations Service. A.C. True, director.