List Results  
  Refine Search  
  Results by Topic  
  Results on Map  
  Search Details  
Map of 628 studies found by search of:   received on or after 12/30/2008
Click on the map below to show a more detailed map (when available) or search for studies (when map not available).
Map Legend
Region Name   Number of Studies
World   [map]   628
North America 259
United States 236   [studies]
Alabama 12   [studies]
Arizona 18   [studies]
Arkansas 5   [studies]
California 50   [studies]
Colorado 16   [studies]
Connecticut 4   [studies]
Delaware 4   [studies]
District of Columbia 5   [studies]
Florida 31   [studies]
Georgia 16   [studies]
Hawaii 1   [studies]
Idaho 2   [studies]
Illinois 22   [studies]
Indiana 11   [studies]
Iowa 5   [studies]
Kansas 11   [studies]
Kentucky 12   [studies]
Louisiana 6   [studies]
Maine 4   [studies]
Maryland 25   [studies]
Massachusetts 20   [studies]
Michigan 18   [studies]
Minnesota 20   [studies]
Mississippi 3   [studies]
Missouri 19   [studies]
Montana 2   [studies]
Nebraska 10   [studies]
Nevada 4   [studies]
New Hampshire 1   [studies]
New Jersey 13   [studies]
New Mexico 6   [studies]
New York 34   [studies]
North Carolina 21   [studies]
North Dakota 2   [studies]
Ohio 27   [studies]
Oklahoma 6   [studies]
Oregon 13   [studies]
Pennsylvania 24   [studies]
Rhode Island 7   [studies]
South Carolina 11   [studies]
Tennessee 15   [studies]
Texas 54   [studies]
Utah 7   [studies]
Vermont 2   [studies]
Virginia 7   [studies]
Washington 10   [studies]
Wisconsin 12   [studies]
Hints:

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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.