1867. Oxford Furnace. Geological 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...
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1867. This map of zinc mines Sussex County was part of an 1867 geological survey of New Jersey under the direction of Gerge H. Cook, State Geologist and ...
1867. This map is a combination road map, grant map, and high water line map. It shows the 1804 high water line for the tidewater basin.