Section O: Environmental Conservation and Recreation, Table O-9. 2014 New York State Statistical Yearbook(PDF). The Nelson A. Rockefeller Institute of Government. 2014: 673 [March 6, 2016]. (原始内容(PDF)存档于September 16, 2015).
Section O: Environmental Conservation and Recreation, Table O-9. 2014 New York State Statistical Yearbook(PDF). The Nelson A. Rockefeller Institute of Government. 2014: 673 [March 6, 2016]. (原始内容(PDF)存档于September 16, 2015).