Americium : its behavior in soil and plant systems /

Mode of access: Internet.

Aerial tramways in the metal-mining industry : construction and operating costs /

Mode of access: Internet.

Fate of synthetic detergents in soil and ground water /

"November, 1965."

A laboratory guide in soil bacteriology,

"A short reference list of books and periodicals ...": p. [5]

Oversight on proposed modifications in soil and water conservation policy [microform] : hearing before the Subcommittee on Soil and Water Conservation of the Committee on Agriculture, Nutrition, and Forestry, United States Senate, Ninety-seventh Congress, second session, Tuesday, March 30, 1982.

CIS Microfiche Accession Numbers: CIS 82 S161-21