Mine detail: Johnson Hill Mine

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Location: Morris County, New Jersey, United States, North America
Lat / long: 40.90556, -74.58348
dep_id: 10021809
mrds_id: DE01311
Commodity type: metallic
Major mineral: Iron
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Magnetite
work_type: Surface/Underground
Reporter: Kaeding, Margaret E. (Bell, Christy A.)
hrock_unit: Quartz Plagioclase Gneiss
hrock_type: Gneiss
yfp_ba: <
Year first produced: 1868
yr_lst_prd: 1869
References:
  • Deposit:: BAYLEY, WILLIAM S., 1910. IRON MINES AND MINING IN NEW JERSEY, VOL. VII OF THE FINAL REPORT SERIES OF THE STATE GEOLOGIST.
  • Deposit:: FIELD CHECKED 1987.
  • Deposit:: COOK, GEORGE H. 1868. ANNUAL REPORT OF THE STATE GEOLOGY FOR THE YEAR 1868.
  • Deposit:: SIMS, P.K., 1958. GEOLOGY AND MAGNETITE DEPOSITS OF THE DOVER DISTRICT, MORRIS COUNTY NEW JERSEY GEOL SURVEY PROF PAPER 287.
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