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Iron-ore resources of the United States including Alaska and Puerto Rico, 1955
Martha S. Carr, Carl E. Dutton
1959, Bulletin 1082-C
The importance of iron ore, the basic raw material of steel, as a fundamental mineral, resource is shown by the fact that about 100 million long tons of steel is used annually in the economy of the United States, as compared with a combined total of about 5 million long...
Radioactive rare-earth deposit at Scrub Oaks mine, Morris County, New Jersey
Harry Klemic, A.V. Heyl Jr., Audrey R. Taylor, Jerome Stone
1959, Bulletin 1082-B
A deposit of rare-earth minerals in the Scrub Oaks iron mine, Morris County, N. J., was mapped and sampled in 1955. The rare-earth minerals are mainly in coarse-grained magnetite ore and in pegmatite adjacent to it. Discrete bodies of rare-earth-bearing magnetite ore apparently follow the plunge of the main magnetite...