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All 291895 Studies found for: ALL
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Map Legend
Region Name   Number of Studies
World   [map]   291,895  
North America 129,791  
United States 116,999   [studies]
Alabama 8,530   [studies]
Alaska 627   [studies]
Arizona 10,042   [studies]
Arkansas 4,593   [studies]
California 30,969   [studies]
Colorado 10,366   [studies]
Connecticut 7,470   [studies]
Delaware 1,801   [studies]
District of Columbia 4,962   [studies]
Florida 20,725   [studies]
Georgia 12,211   [studies]
Hawaii 1,768   [studies]
Idaho 2,446   [studies]
Illinois 15,779   [studies]
Indiana 8,882   [studies]
Iowa 4,581   [studies]
Kansas 6,102   [studies]
Kentucky 6,578   [studies]
Louisiana 6,550   [studies]
Maine 1,728   [studies]
Maryland 16,648   [studies]
Massachusetts 17,095   [studies]
Michigan 12,586   [studies]
Minnesota 10,866   [studies]
Mississippi 2,832   [studies]
Missouri 12,143   [studies]
Montana 2,045   [studies]
Nebraska 5,186   [studies]
Nevada 4,119   [studies]
New Hampshire 2,276   [studies]
New Jersey 10,019   [studies]
New Mexico 3,137   [studies]
New York 25,153   [studies]
North Carolina 16,723   [studies]
North Dakota 1,844   [studies]
Ohio 17,907   [studies]
Oklahoma 5,698   [studies]
Oregon 7,576   [studies]
Pennsylvania 19,637   [studies]
Rhode Island 3,473   [studies]
South Carolina 8,346   [studies]
South Dakota 1,850   [studies]
Tennessee 11,938   [studies]
Texas 25,041   [studies]
Utah 6,569   [studies]
Vermont 1,827   [studies]
Virginia 9,860   [studies]
Washington 11,195   [studies]
West Virginia 1,905   [studies]
Wisconsin 7,085   [studies]
Wyoming 433   [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.