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See Studies on Map

Map of All Studies on

On the map below, click on a region to show a more detailed map (when available) or see a list of studies with locations in that region (when a detailed map is not available).
Map Legend
Region Name Number of Studies
World 355,424
North America 151,149
United States 135,974
Alabama 9,578
Alaska 735
Arizona 11,577
Arkansas 5,176
California 35,758
Colorado 11,860
Connecticut 8,521
Delaware 2,015
District of Columbia 5,582
Florida 23,975
Georgia 13,963
Hawaii 1,942
Idaho 2,816
Illinois 17,967
Indiana 10,004
Iowa 5,214
Kansas 6,988
Kentucky 7,493
Louisiana 7,434
Maine 1,950
Maryland 18,517
Massachusetts 19,546
Michigan 14,354
Minnesota 12,452
Mississippi 3,180
Missouri 13,851
Montana 2,259
Nebraska 5,848
Nevada 4,722
New Hampshire 2,574
New Jersey 11,367
New Mexico 3,500
New York 28,677
North Carolina 19,082
North Dakota 2,011
Ohio 20,499
Oklahoma 6,445
Oregon 8,575
Pennsylvania 22,357
Rhode Island 3,866
South Carolina 9,378
South Dakota 2,118
Tennessee 13,643
Texas 28,909
Utah 7,559
Vermont 2,000
Virginia 11,236
Washington 12,635
West Virginia 2,167
Wisconsin 8,042
Wyoming 500

Click on a region name link to show a map of that region

Click on a study count link to see a list of studies in that region. Use your browser's back button to return to this list and view studies in another region.

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

Studies with multiple locations are included in each region where the study has locations.