National wetlands inventory files, 1980-1988.

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National wetlands inventory files, 1980-1988.

http://www.worldcat.org/oclc/36624744

Maps were used to produce a national wetlands inventory, a project of the U. S. Department of the Interior's Fish and Wildlife Service, which then distributed its working files to the states. Files include high altitude photographic enlargements; draft maps; and final topographic mylars. Final mylars show wetland system type (e.g., marine; estuarine; riverine), substem type (e.g., subtidal; intertidal; tidal; lower perennial); class type (e.g., rock bottom; unconsolidated bottom; aquatic bed; rocky shore); subclass type (e.g., bedrock; cobble-gravel; mud; organic); water regime (e.g., temporarily flooded; seasonally flooded; permanently flooded; saturated); water chemical composition; and special circumstances (e.g., beaver dams; diked areas; excavated areas). Common topographical surface features such as rivers; lakes; roads; bridges; and railroads also are featured.

2165 items.

Illinois State Archive

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SNAC Resource ID: 7381483

Illinois State Archive

Related Entities

There are 2 Entities related to this resource.

Illinois. Department of Conservation

http://n2t.net/ark:/99166/w60w3gjw (corporateBody)

The Department of Conservation (created 1925) succeeded the Dept. of Agriculture's Division of Fish and Game in administering state fish and game codes. Additionally, the department was charged with water pollution prevention and forestry promotion responsibilities. Upon assumming the powers of the Illinois Park Commission (1909-1917) from the Dept. of Public Works and Buildings (1951), the department became responsible for state monuments and memorials; and the state park system. Other departme...

United States., Department of the Intérior

http://n2t.net/ark:/99166/w68d3k69 (corporateBody)

The Alaska Public Works Program was authorized during the 81st Congress through the Alaska Public Works Act, Public Law 264. The Act authorized the General Services Administration to construct public works in Alaska, at a total cost of $70 million, then to sell them to the Territory of Alaska or other public bodies in Alaska at a purchase price that would recover approximately 50% of the total estimated cost. The authority, set to expire June 30, 1955, was extended to June 30, 1959. The program ...