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All 306651 Studies found for: ALL
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Map Legend
Region Name Number of Studies
World   [map]   306,651  
North America 135,016  
United States 121,672   [studies]
Alabama 8,794   [studies]
Alaska 651   [studies]
Arizona 10,412   [studies]
Arkansas 4,741   [studies]
California 32,148   [studies]
Colorado 10,707   [studies]
Connecticut 7,730   [studies]
Delaware 1,854   [studies]
District of Columbia 5,092   [studies]
Florida 21,536   [studies]
Georgia 12,628   [studies]
Hawaii 1,821   [studies]
Idaho 2,544   [studies]
Illinois 16,357   [studies]
Indiana 9,160   [studies]
Iowa 4,751   [studies]
Kansas 6,309   [studies]
Kentucky 6,816   [studies]
Louisiana 6,763   [studies]
Maine 1,788   [studies]
Maryland 17,098   [studies]
Massachusetts 17,684   [studies]
Michigan 13,008   [studies]
Minnesota 11,297   [studies]
Mississippi 2,900   [studies]
Missouri 12,564   [studies]
Montana 2,095   [studies]
Nebraska 5,365   [studies]
Nevada 4,277   [studies]
New Hampshire 2,372   [studies]
New Jersey 10,354   [studies]
New Mexico 3,225   [studies]
New York 26,009   [studies]
North Carolina 17,317   [studies]
North Dakota 1,888   [studies]
Ohio 18,550   [studies]
Oklahoma 5,897   [studies]
Oregon 7,880   [studies]
Pennsylvania 20,276   [studies]
Rhode Island 3,581   [studies]
South Carolina 8,618   [studies]
South Dakota 1,911   [studies]
Tennessee 12,346   [studies]
Texas 25,982   [studies]
Utah 6,811   [studies]
Vermont 1,880   [studies]
Virginia 10,239   [studies]
Washington 11,553   [studies]
West Virginia 1,975   [studies]
Wisconsin 7,328   [studies]
Wyoming 454   [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.