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### Geology and magnetite deposits of Dover district, Morris 
County, New Jersey, with a description of the geologic section at Hibernia 
mine

#### Professional Paper 287

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#### Links

- Document: **Document**                                
  (pdf)
- Plates:
- **Plate 1**                                
    (pdf)
- **Plate 2**                                
    (pdf)
- **Plate 3**                                
    (pdf)
- **Plate 4**                                
    (pdf)
- **Plate 5**                                
    (pdf)
- **Plate 6**                                
    (pdf)
- **Plate 7**                                
    (pdf)
- **Plate 8**                                
    (pdf)
- **Plate 9**                                
    (pdf)
- **Plate 10**                                
    (pdf)
- **Plate 11**                                
    (pdf)
- **Plate 12**                                
    (pdf)
- **Plate 13**                                
    (pdf)
- **Plate 14**                                
    (pdf)
- Download citation as:  RIS

#### Abstract

The Dover district, Morris County, N. J., one of the oldest mining regions in 
the United States, has been active intermittently since the early part of the 
18th century, and has yielded in excess of 26 million long tons of iron ore 
valued at more than $100,000,000. This is about 70 percent of the total 
production of iron ore from the State of New Jersey. Since 1940 about 500,000 
tons of magnetite lump ore and fine concentrate have been shipped annually from 
the Scrub Oaks, Richard, and Mount Hope mines—the 3 producing mines in the 
district.

#### Study Area



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