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This list of Ramsar sites in the United States are those wetlands that are considered to be of international importance, protected under the Ramsar Convention treaty. The United States as of 2020, has 41 sites designated as "Wetlands of International Importance" with a surface area of 1,884,551 hectares (7,276.29 sq mi; 18,845.51 km 2).
The Wetlands Geodatabase and the Wetlands Mapper, as an Internet discovery portal, provide technological tools that allow the integration of large relational databases with spatial information and map-like displays. The information is made available to an array of federal, state, tribal, and local governments and the public.
SoilGrids1km is a collection of updatable soil property and class maps of the world at a resolution of 1 km produced using state-of-the-art model-based statistical methods. Presents estimates (means and 90% confidence intervals) for pH, texture (sa, si, cl), organic carbon and more for 6 depth layers up to 2 m depth.
The NWI relies on trained image analysts to identify and classify wetlands and deepwater habitats from aerial imagery. NWI started mapping wetlands at a small scale (1:250,000 map which covers an area the size of 128-1:24,000 USGS topographic maps or approximately 7,400 square miles).
Download QR code; Print/export ... This category includes articles on wetlands in the United States by U.S. state. ... Wetlands of Indiana (2 C, 2 P) Wetlands ...
Total combined area of the forests is 20,061,888 acres (81,187.58 km 2) and covers over 19% of the state. The largest forest entirely within the state is Shasta-Trinity National Forest, at 2,209,832 acres (8,942.87 km 2), the smallest is Cleveland National Forest at 460,000 acres (1,900 km 2).
In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state ...
The part of New York that is in this tri-state area is Fishers Island. It is the New London, Connecticut metro area. Delaware: New Jersey: Pennsylvania: Delaware River: Philadelphia metro area, at the east end of the Twelve-Mile Circle. Georgia: North Carolina: South Carolina