Category:Scientific articles mentioning the Whirlpool Sandstone

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Media in category "Scientific articles mentioning the Whirlpool Sandstone"

The following 2 files are in this category, out of 2 total.

Economic survey of the mid-western Ontario region (IA economicsurveyof00onta 1).pdf 1,587 × 2,397, 170 pages; 19.26 MB
High-grade silica materials for glass, refractories and abrasives (IA highgradesilicam00colorich).pdf 825 × 1,216, 70 pages; 16.47 MB

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