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Bureau of Mines / Minerals yearbook metals, minerals, and fuels 1972
Year 1972, Volume 1 (1972)
Briggs, Ted C.
Nitrogen, pp. 881-896
PDF (2.1 MB)
Page 887
![[page image]](http://images.library.wisc.edu/EcoNatRes/EFacs2/MineralsYearBk/MinYB1972v1/M/0895.jpg)
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