Birds in Air 1880: 40.037875, -76.305514
Birds in Air 1870: 40.453132, -78.384223
Birds in Air 1845: 42.407211, -71.382437
Birds in Air 1880: 40.058324, -74.405661
Birds in Air 1880: 41.141472, -73.357905
Birds in Air 1870: 41.203322, -77.194525
Birds in Air 1830: 42.633959, -73.059082
Birds in Air 1880: 41.112469, -75.454102
Birds in Air 1850: 39.951859, -77.772217