Auglaize County played a big part in the Lima oil fields in the late 1800s. Hundreds of oil derricks dotted Grand Lake after the first offshore derrick was built in 1891.
CELINA - In addition to once being known as the largest man-made lake on the planet, Grand Lake introduced to the world freshwater offshore drilling, laying the groundwork for the modern petroleum industry and igniting a local economic boom that reverberated for decades to come. [
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