Application of numerical classification in ecological investigations of water pollution /

Mode of access: Internet.

Waste-assimilation capacity of the Arkansas River in Pueblo County, Colorado, as it relates to water-quality guidelines and stream classification /

Spine title: Waste-assimilation capacity of the Arkansas River, Pueblo County, Colorado.

Feasibility of a systematic approach to water quality management in Illinois : annual report of stream/lake classification project /

Pbk.

Environmental impact statement : criteria for classification of solid waste disposal facilities and practices /

September 1979.

Missouri River Basin investigations; land planning and classification reports relative to public domain lands. With a preliminary report.

Field investigations and reports completed by the Missouri River Basin staff of the Bureau of Land Management, Area 3.

[Missouri River Basin investigations; land planning and classification reports relative to public domain lands. With preliminary and summary reports.

"[Map supplements A-D. Region 3.]" (4 v. illus., maps (part col.)) issued in [1953]

Assessment and classification of Illinois lakes /

"Staff report."

State of Illinois stream and lake classification project; report, 1977-78 year /

Cover title.

Surface water resources of Pierce County /

"Lake and stream classification project."