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553 Studies found for: Classified

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Map Legend
Region Name Number of Studies
World [map] 553
North America 129
United States 115 [studies]
Alabama 7 [studies]
Alaska 2 [studies]
Arizona 10 [studies]
Arkansas 6 [studies]
California 35 [studies]
Colorado 10 [studies]
Connecticut 7 [studies]
Delaware 3 [studies]
District of Columbia 5 [studies]
Florida 17 [studies]
Georgia 7 [studies]
Hawaii 4 [studies]
Idaho 3 [studies]
Illinois 17 [studies]
Indiana 6 [studies]
Iowa 8 [studies]
Kansas 3 [studies]
Kentucky 5 [studies]
Louisiana 6 [studies]
Maine 4 [studies]
Maryland 18 [studies]
Massachusetts 14 [studies]
Michigan 6 [studies]
Minnesota 11 [studies]
Mississippi 7 [studies]
Missouri 11 [studies]
Montana 2 [studies]
Nebraska 4 [studies]
Nevada 3 [studies]
New Hampshire 5 [studies]
New Jersey 7 [studies]
New Mexico 3 [studies]
New York 14 [studies]
North Carolina 13 [studies]
North Dakota 3 [studies]
Ohio 15 [studies]
Oklahoma 6 [studies]
Oregon 10 [studies]
Pennsylvania 15 [studies]
Rhode Island 4 [studies]
South Carolina 9 [studies]
South Dakota 2 [studies]
Tennessee 10 [studies]
Texas 19 [studies]
Utah 10 [studies]
Vermont 4 [studies]
Virginia 9 [studies]
Washington 11 [studies]
West Virginia 3 [studies]
Wisconsin 8 [studies]

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