Category:National Historic Civil Engineering Landmarks in Ohio
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Subcategories
This category has the following 11 subcategories, out of 11 total.
Media in category "National Historic Civil Engineering Landmarks in Ohio"
The following 2 files are in this category, out of 2 total.
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Miami Conservancy District Building, Dayton, Ohio.jpg 4,602 × 3,072; 3.33 MB
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Muskingum River Canal at Zanesville.jpg 2,816 × 2,112; 2.38 MB