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Continue to ChatGilboa Quarry (historical) Map - Putnam County, OH https://www.yellowmaps.com/usgs/topo.cfm?map=oh-2564638-gilboa-quarry-%28historical%29
Gilboa Quarry (historical) Map - Putnam County, OH https://www.yellowmaps.com/usgs/topo.cfm?map=oh-2564638-gilboa-quarry-%28historical%29