(1991). Phase I archaeological survey: Industrial park/airport area transportation improvements project, Lehigh County, Pennsylvania. [North Wales, Pa.: Cultural Heritage Research Services, Inc.].
Chicago Style CitationPhase I Archaeological Survey: Industrial Park/airport Area Transportation Improvements Project, Lehigh County, Pennsylvania. [North Wales, Pa.: Cultural Heritage Research Services, Inc.], 1991.
MLA CitationPhase I Archaeological Survey: Industrial Park/airport Area Transportation Improvements Project, Lehigh County, Pennsylvania. [North Wales, Pa.: Cultural Heritage Research Services, Inc.], 1991.