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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 340,965
North America 146,378
United States 131,662
Alabama 9,344
Alaska 721
Arizona 11,227
Arkansas 5,039
California 34,630
Colorado 11,519
Connecticut 8,302
Delaware 1,965
District of Columbia 5,420
Florida 23,216
Georgia 13,578
Hawaii 1,901
Idaho 2,746
Illinois 17,513
Indiana 9,740
Iowa 5,067
Kansas 6,776
Kentucky 7,279
Louisiana 7,238
Maine 1,908
Maryland 18,102
Massachusetts 18,988
Michigan 13,959
Minnesota 12,107
Mississippi 3,095
Missouri 13,474
Montana 2,202
Nebraska 5,700
Nevada 4,576
New Hampshire 2,514
New Jersey 11,055
New Mexico 3,421
New York 27,890
North Carolina 18,563
North Dakota 1,977
Ohio 19,902
Oklahoma 6,285
Oregon 8,355
Pennsylvania 21,747
Rhode Island 3,787
South Carolina 9,159
South Dakota 2,042
Tennessee 13,257
Texas 28,018
Utah 7,323
Vermont 1,973
Virginia 10,938
Washington 12,319
West Virginia 2,110
Wisconsin 7,850
Wyoming 489

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.