846 resultados para Illinois State Geological Survey
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"Critical Trends Assessment Program."--Cover.
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Vols. 1 and 3 published 2000; v. 2 and 4: 1999.
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Kinkaid Creek has its headwaters in the northwestern portion of Jackson County and flows southeast until it meets the Big Muddy near Grimsby. Kinkaid Lake, formed when Kinkaid Creek was impounded about 30 years ago, is located in Jackson County. The report provides information on the natural and human resources of the area as a basis for managing and improving its ecosystems. The development of ecosystems-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.
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v. 1. 1960-1976 -- v. 2. 1977-1986.
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Examines an area of 357.5 miles in northeast Illinois--much of which is a part of the Greater Chicago Metropolitan Region. The area includes eight subbasins, of which two have been designated a state Resource Rich Area.
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"Examines an area in northwestern Illinois formed by the Rock and Green River systems ... designated a state Resource Rich Area"--P. iii.
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"The Lower Sangamon River Area Assessment examines 5,419 square miles in central Illinois."--P. iii.
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The Mississippi Western Five Area Assessment, part of a series of statewide regional assessments, examines 1,630 square miles, falling within portions of seven Illinois counties in western Illinois-- Henderson, Henry, Knox, Mercer, Warren, as well as very small parts of Hancock and Rock Island counties and also falls within the physiographic region called Galesburg Till Plain. The report provides information on the natural and human resources of the area as a basis for managing and improving its ecosystems. 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.
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Mode of access: Internet.
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Half title.
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Last printed issue was no.747/752. Available on web based only.
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Examines 1,477 square miles in northeastern Illinois that historically was open prairie with a park-like appearance of scattered trees. The area encompasses 25 subbasins along the Illinois, Des Plaines, and Kankakee rivers, of which 8 have been designated a state Resource Rich Area.
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Description based on: 1955-A; title from stamp on cover.
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"Critical Trends Assessment Program."--Cover.
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"Contract: ER 57."