Effects of thinning and a wildfire on sediment production rates, channel morphology, and water quality in the upper South Platte River watershed /

"Spring 2004."

Federal water pollution control act, Public Law 84-660, as amended by the Federal water pollution control act amendments of 1961 (PL 87-88), the Water quality act of 1965 (PL 89-234), and the Clean water restoration act of 1966 (PL 89-753) Appendices: Reorganization plan no. 2 of 1966, Executive order 11288, Prevention, control and abatement of water pollution by Federal activities. Oil pollution act, 1924 as amended by the Clean water restoration act of 1966 (PL 89-753)

Cover title.

Coastal recreation water quality monitoring and notification : report (to accompany H.R. 1721) (including cost estimate of the Congressional Budget Office).

"November 14, 2005."

Water-quality data for the American River basin, California, February-October 1979 /

Mode of access: Internet.

Water quality in the Potomac River basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96 /

Mode of access: Internet.

Environmental characteristics and water quality of hydrologic benchmark network stations in the eastern United States, 1963-95 /

Mode of access: Internet.

Environmental characteristics and water quality of hydrologic benchmark network stations in the midwestern United States, 1963-95 /

Mode of access: Internet.

Methods for comparing water-quality conditions among National Water-Quality Assessment Study Units, 1992-1995 /

Mode of access: Internet.

Geohydrology of the Antelope Valley Area, California and design for a ground-water-quality monitoring network /

Mode of access: Internet.

Ground-water-quality appraisal of sand-plain aquifers in Hubbard, Morrison, Otter Tail, and Wadena Counties, Minnesota /

Mode of access: Internet.

Nonpoint-source discharges and water quality of the Elk Creek basin, west-central Wisconsin /

Mode of access: Internet.

An overview of ground-water quality data in Wisconsin /

"February 1984."

Effects of irrigating with wastewater on ground-water quality at Fort Carson Military Reservation golf course near Colorado Springs, Colorado /

Bibliography: p. 24-25.

Ground-water quality in Wyoming /

Bibliography: p. 71.

Rainfall-runoff relationships and water-quality assessment of Coon Creek watershed, Anoka County, Minnesota /

Bibliography: p. 71-73.