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Wetlands: Status and Trends in the Conterminous United States Mid-1970s to Mid-1980s
The object of this report is to produce comprehensive estimates of the United States wetlands acreage and how the wetlands have diminished since the 1970s. They also surveyed the vegetation and habitats.
Date:
1991
Creator:
Dahl, Thomas E. & Johnson, Craig E.
System:
The UNT Digital Library
Our Changing Planet: U.S. Global Change Research Program Annual Report, 1991
Annual report of the U.S. Global Change Research Program documenting activities and progress, goals for the upcoming year, proposed budget considerations, and other information about the organization for fiscal year 1991.
Date:
1991
Creator:
U.S. Global Change Research Program
System:
The UNT Digital Library