Latitude: 40°23'40"N
Longitude: 74°10'22"W
Ref.: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vil. 3, No. 1, Manchester, J.G. (1931): 81. A location 20 feet down in a well at Telegraph Hill, 2 3/8 miles NW of Middletown and apparently in present day Holmdel, near Keyport.
Mineral List
5 entries listed. 4 valid minerals.
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