
The Portage River flows through a landscape defined by industry and agriculture in this late 1950s survey of the Sandusky and Ottawa County line. The area shows a heavy concentration of limestone extraction, with large quarries and tailings piles concentrated around Woodville and Gibsonburg. The local economy is further detailed by numerous oil wells and a dedicated Oil Field to the southeast, while the Ohio Turnpike cuts across the northern half of the map, illustrating the shift toward modern interstate transport.
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This is the sole edition of this map. No revisions or reprints were ever made.
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