Geology, hydrology, and quality of water in the Madera area, San Joaquin Valley, California /

Three folded maps in pocket.

Special studies, delivery of water to Mexico /

"February 1963."

The recreation benefits of water quality improvements : analysis of day trips in urban setting /

Mode of access: Internet.

Forest harvest, residue treatment, reforestation and protection of water quality /

Tables.

Application of numerical classification in ecological investigations of water pollution /

Mode of access: Internet.

Recycling of water in poultry processing plants : interim technical report /

"Ecological research series" appears in publication in error.

Loading functions for assessment of water pollution from nonpoint sources /

Item 431-I-12

Beneficial disposal of water purification plant sludges in wastewater treatment /

Mode of access: Internet.