Vision 2020 National Parks Restoration Act : hearing before the Subcommittee on National Parks, Historic Preservation, and Recreation of the Committee on Energy and Natural Resources, United States Senate, One Hundred Fifth Congress, second session, on S. 624 ... S. 1693.

"May 7 and 14, 1998"--Pt. 2.

Guidelines for understanding and determining optimum recreation carrying capacity /

Bibliography: p. E-1--E-8

Effects of subdivision and access restrictions on private land recreation opportunities /

"August 1993."

Santa Monica Mountains area : recreational trails coordination project : final summary report /

"This report was prepared through a cooperative effort of the Santa Monica Mountains Area Recreation Trails Coordination Project [and] ... facilitated by the Rivers, Trails and Conservation Assistance Program ..."--Verso t.p.

Archeological collections management at Minute Man National Historical Park, Massachusetts /

Includes bibliographies.

A comprehensive study of pollution and its effect on the waters within the St. Jones River drainage basin; a report to the Water Pollution Commission of the State of Delaware,

Bibliography: leaf 163.

Corps of Engineers functions and the national interest : a study of the effect of reorganization proposals on the national defense and on development of water resources.

Mode of access: Internet.

Nitrate-nitrogen concentrations in ground water from three selected areas in Kansas /

Mode of access: Internet.

Fox River area assessment /

"Critical Trends Assessment Progarm."--Cover.

Headwaters area assessment /

"Critical Trends Assessment Program."--Cover.

Illinois state water plan : status of implementation /

"January 1990."

Kishwaukee River area assessment /

"Critical Trends Assessment Program.--Cover.

Kankakee River area assessment /

"Critical Trends Assessment Program."--Cover.

Kaskaskia River area assessment.

Vols. 1 and 3 published 2000; v. 2 and 4: 1999.

La Moine River area assessment.

"The La Moine River Area Assessment, part of a series of statewide regional assessments, examines approximately 1,855 square miles in west-central Illinois. The report provides information on the natural and human resources of the area as a basis for managing and improving its ecosystem. The development of ecosystem-based information and management programs in Illinois are the result of three processes -- the Critical Trends Assessment Program, Conservation Congress, and Water Resources and Land Use Priorities Task Force."--P. iii, v. 2. Information and management programs in Illinois are the result of three processes -- the Critical Trends Assessment Program, the Conservation Congress, and the Water Resources and Land Use Priorities Task Force."--P. iii, v. 2.