@book{24113,
	author = {Bascom, F.},
	title = {Water resources of the Philadelphia district;},
	publisher = {Govt. Print. Off.},
	year = {1904.},
	series = {U. S. Geological survey. Water-supply and irrigation paper},
	address = {Washington,},
	note = {Subject series: M, General hydrographic investigations, 12; Underground waters, 26.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00199538470}
}