Gruner, John W. (John Walter), 1890–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 183605
John W. (John Walter) Gruner Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
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| The mineralogy and geology of the taconites and iron ores of the Mesabi Range, Minnesota | 1946 | Author | |  | |  | | 
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