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TitleNew Jersey geological map 1839
Date Created1839
DescriptionA geological map of New Jersey by Henry D. Rogers, professor of Geology in University of Pennsylvania "to accompany the Report on the Geology of New Jersey." Map color coded by type of rock or...
Time PeriodExpansion and Reform (1801-1861)
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TitleOre veins in Warren County map 1867
Date Created1867
DescriptionGeological survey map of the iron ore veins in and around property owned by Oxford Furnace. Surveyed and drawn by G. M. Hopkins under the direction of George H. Cook, State Geologist and John C....
Time PeriodCivil War and Reconstruction (1850-1877)