"Pennsylvania" . . "Newark West (Del.)" . . "Maryland" . . "Chester County (Pa.)" . . . . "Newark West (Pa.)" . . . . "Newark West quadrangle, Maryland--Delaware--Pennsylvania : 7.5 minute series (topographic)"@en . . . . "7.5 minute series (topographic) Maryland-Delaware-Pennsylvania, Newark West quadrangle"@en . . . . "Topographic maps"@en . . . . . . "Maps"@en . . . . . . . . "Newark West, Md.--Del.--Pa"@en . "Newark West (Md.)" . . "Delaware" . .