@book{24619,
	author = {D'Invilliers, Edward Vincent,},
	title = {The geology of the South Mountain belt of Berks County.},
	publisher = {Board of Commissioners for the Second Geological Survey,},
	year = {1883.},
	series = {Second geological survey of Pennsylvania: report of progress},
	address = {Harrisburg,},
	note = {"Illustrated ... by the maps in the Atlas to D3 [v. 1: The pageppy of Lehigh and Northampton Counties issued by the Pennsylvania State Geologist (1874-1890)]"}
}