An evaluation of expedient methodology for identification of potentially expansive soils /

Prepared by Soils and Pavements Laboratory, U.S. Army Engineer Waterways Experiment Station, Vicksburg, Miss., under contract no. PO 4-1-0195.

Principles of radioisotope methodology /

Includes bibliography.

Principles of radioisotope methodology /

Mode of access: Internet.

Development of a methodology for designing carbon monoxide monitoring networks /

Mode of access: Internet.