1. Philadelphia land cover change data, 1970-2010 (2nd Edition)
- Author(s):
 - Roman, Lara A.; Catton, Indigo J.; Locke, Dexter H.; Greenfield, Eric J.; Pearsall, Hamil; Eisenman, Theodore S.; Henning, Jason G.; Healy, Marc
 
2. Philadelphia park tree cover data, 1959-2018
			
			
			- Author(s):
 - Nix, Sabine A.; Roman, Lara A.; Healy, Marc; Rogan, John; Pearsall, Hamil
 
3. Philadelphia land cover change data, 1970-2010
- Author(s):
 - Roman, Lara A.; Catton, Indigo J.; Greenfield, Eric J.; Pearsall, Hamil; Eisenman, Theodore S.; Henning, Jason G.
 
	U.S. Department of Agriculture