Books by John C. Nigro:
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Nigro, John C.: Kinetics of CO Reduction of Hematite to Magnetite and the Effect of Silica (Bureau of Mines Report of Investigations #7720, 1973), also by T. D. Tiemann and Charles Prasky (page images at HathiTrust)
Additional books by John C. Nigro in the extended shelves:
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Nigro, John C.: Firing an iron ore pelletizing kiln with low-Btu gas from lignite (U.S. Dept. of the Interior, Bureau of Mines, 1982) (page images at HathiTrust)- Nigro, John C.: Use of oxygen-enriched gas for the oxidation of acid and fluxed taconite pellets (U.S. Dept. of Interior, Bureau of Mines, 1993), also by L. A. Haas, Robert C. Moe, and United States Bureau of Mines (page images at HathiTrust)
- Nigro, John C.: Utilization of papermill sludges as binders for iron ore concentrate (U.S. Dept. of the Interior, Bureau of Mines, 1989), also by L. A. Haas and Jeffrey A. Aldinger (page images at HathiTrust)
- Nigro, John C.: Utilization of simulated coal gases for reducing iron oxide pellets (U.S. Dept. of the Interior, Bureau of Mines, 1985), also by L. A. Haas and Robert K. Zahl (page images at HathiTrust)
Find more by John C. Nigro at your library, or elsewhere.