United States

 

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Homer, New York, USA: 42.637014, -76.178817
Snow Hill, New Jersey, USA: 39.866503, -75.028225
Grand Crossing, Chicago, Illinois, USA: 41.763437, -87.595334
Hineston, Louisiana, USA: 31.143518, -92.758759
Princess Anne County, Virginia, USA: 36.703660, -76.055603
Dayton, Illinois, USA: 41.384755, -88.794242
Gravesend, Brooklyn, New York, USA: 40.591017, -73.977126
Sinking Valley, Pennsylvania, USA: 40.614233, -78.161954

The following locations have registered studies: