Category:Water-supply paper, 1912
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Subcategories
This category has the following 2 subcategories, out of 2 total.
Media in category "Water-supply paper, 1912"
The following 2 files are in this category, out of 2 total.
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The underground waters of southwestern Ohio (IA undergroundwater00full).pdf 800 × 1,322, 266 pages; 18.12 MB
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The underground waters of southwestern Ohio (IA undergroundwater01full).pdf 800 × 1,316, 258 pages; 19.5 MB