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.

Characteristics of nonpoint source urban runoff and its effects on stream ecosystems /

Mode of access: Internet.

Raw wasteload characteristics of the hardboard industry /

Mode of access: Internet.

Chemicals stored in USTs : characteristics and leak detection /

Mode of access: Internet.

Safety and environmental design considerations in the use of commercial electronic variable-message signage. Final report.

Mode of access: Internet.

Baseline report of environmental conditions in deepwater dumpsite 106

"NOAA--S/T 77-2822."

Characteristics of lakes in the western United States /

"EPA/600/3-86/054."

Traffic characteristics on Illinois highways /

Mode of access: Internet.

Environmental status of the Lake Michigan region /

Vols. 7, 9 and 15, issued in 1974, prepared for the U. S. Atomic Energy Commission; vols. issued 1975- prepared for the U. S. Energy Research and Development Administration.

Runoff and water-quality characteristics of surface-mined lands in Illinois /

Mode of access: Internet.