Museum pests : Dermestid beetles, clothes moth, case making moth : final report /

Pagination preceded by package no.: xxiii.

Conservation methods in cotton production /

"October 1949."

On conservation /

Reprinted from Museum news.

Methods for the improvement of streams /

Mode of access: Internet.

Flood routing methods; discussion and bibliography.

"Prepared by Surface Water Branch, Water Resources Division, Geological Survey, for Engineering Division, Soil Conservation Service, U.S. Department of Agriculture, as Project no. 4."

Soil survey laboratory methods and procedures for collecting soil samples /

Mode of access: Internet.

Some methods for improving water penetration in irrigated lands.

Mode of access: Internet.

Your land : a handbook of practical methods for preventing and curing soil erosion.

"A compilation of practical tried-and-proved methods which have been developed by state agricultural colleges and extension workers, U.S. soil conservation experts, and county agricultural agents."--p. [2] of cover.