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All 269061 Studies found for: ALL
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Map Legend
Region Name   Number of Studies
World   [map]   269,061  
North America 121,555  
United States 109,690   [studies]
Alabama 8,084   [studies]
Alaska 576   [studies]
Arizona 9,476   [studies]
Arkansas 4,357   [studies]
California 29,126   [studies]
Colorado 9,767   [studies]
Connecticut 7,022   [studies]
Delaware 1,697   [studies]
District of Columbia 4,764   [studies]
Florida 19,484   [studies]
Georgia 11,510   [studies]
Hawaii 1,691   [studies]
Idaho 2,290   [studies]
Illinois 14,996   [studies]
Indiana 8,474   [studies]
Iowa 4,330   [studies]
Kansas 5,757   [studies]
Kentucky 6,206   [studies]
Louisiana 6,213   [studies]
Maine 1,657   [studies]
Maryland 15,887   [studies]
Massachusetts 16,137   [studies]
Michigan 11,910   [studies]
Minnesota 10,247   [studies]
Mississippi 2,690   [studies]
Missouri 11,464   [studies]
Montana 1,956   [studies]
Nebraska 4,932   [studies]
Nevada 3,868   [studies]
New Hampshire 2,152   [studies]
New Jersey 9,476   [studies]
New Mexico 3,005   [studies]
New York 23,765   [studies]
North Carolina 15,781   [studies]
North Dakota 1,787   [studies]
Ohio 16,922   [studies]
Oklahoma 5,376   [studies]
Oregon 7,162   [studies]
Pennsylvania 18,591   [studies]
Rhode Island 3,309   [studies]
South Carolina 7,880   [studies]
South Dakota 1,728   [studies]
Tennessee 11,301   [studies]
Texas 23,585   [studies]
Utah 6,189   [studies]
Vermont 1,748   [studies]
Virginia 9,328   [studies]
Washington 10,597   [studies]
West Virginia 1,810   [studies]
Wisconsin 6,714   [studies]
Wyoming 408   [studies]

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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.