Category:1972 Census of Mineral Industries
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Media in category "1972 Census of Mineral Industries"
The following 2 files are in this category, out of 2 total.
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1972 Census of Mineral Industries. Preliminary Reports. Summary Series Advance Report Industry Series (IA 1972censusofmine00uns).pdf 1,322 × 1,850, 352 pages; 19.9 MB
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1972 Census of Mineral Industries. Subject, Industry, and Area Statistics (IA 1972censusofmine00unse).pdf 1,264 × 1,662, 948 pages; 62.79 MB