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Map of All Studies in
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Map Legend

Region Name   Number of Studies
World   [map]   66919
North America 40230
United States 37270   [studies]
Alabama 3440   [studies]
Alaska 224   [studies]
Arizona 3452   [studies]
Arkansas 1851   [studies]
California 10465   [studies]
Colorado 3568   [studies]
Connecticut 2649   [studies]
Delaware 880   [studies]
District of Columbia 2368   [studies]
Florida 6875   [studies]
Georgia 4380   [studies]
Hawaii 863   [studies]
Idaho 806   [studies]
Illinois 6168   [studies]
Indiana 3642   [studies]
Iowa 2030   [studies]
Kansas 2259   [studies]
Kentucky 2403   [studies]
Louisiana 2742   [studies]
Maine 769   [studies]
Maryland 7279   [studies]
Massachusetts 6001   [studies]
Michigan 4652   [studies]
Minnesota 3929   [studies]
Mississippi 1188   [studies]
Missouri 4498   [studies]
Montana 971   [studies]
Nebraska 2110   [studies]
Nevada 1521   [studies]
New Hampshire 916   [studies]
New Jersey 3998   [studies]
New Mexico 1287   [studies]
New York 9177   [studies]
North Carolina 5936   [studies]
North Dakota 899   [studies]
Ohio 6474   [studies]
Oklahoma 2317   [studies]
Oregon 2897   [studies]
Pennsylvania 7188   [studies]
Rhode Island 1463   [studies]
South Carolina 3186   [studies]
South Dakota 752   [studies]
Tennessee 4166   [studies]
Texas 8874   [studies]
Utah 2066   [studies]
Vermont 947   [studies]
Virginia 3597   [studies]
Washington 4243   [studies]
West Virginia 841   [studies]
Wisconsin 2931   [studies]
Wyoming 218   [studies]

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Click on a [studies] link to search for studies in that region. Use the back button to return to this list and try another region.

Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.