Latitude: 40°43'52"N
Longitude: 74°3'9"W
A railroad tunnel in the Bergen Hill (1857-1860), in Palisades Diabase. Ran parallel to and 67 feet north of the Bergan Archways open cut. Reduced from 2 tracks to 1 but still in use. Coordinates are for the eastern portal.
References
Dana, E.S. (1872).
Manchester, J.G. (1931), Minerals of New York City and Its Environs, Vol. 3, New York Mineralogical Club (1931), edited by Manchester.
Mineral List
10 entries listed. 6 valid minerals.
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