Trenton Group
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The Trenton Group or Trenton Limestone is a geologic group in Kentucky, Michigan, Ohio, New York, Indiana, Pennsylvania, West Virginia, and Ontario. It dates back to the Ordovician period and is prima
Lingulae in Trenton Group limestone from Canada
Trenton Gas Field
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The Trenton Gas Field is located in east central Indiana and the most western portion of west central Ohio. The field was discovered in 1876, but the size and magnitude of the field was not known unti
Trenton Group
…courser material. The Selby is found in north western New York and southeast Ontario and pinches out to the south and east in the Black River Valley. Trenton Gas Field Indiana gas boom…
Indiana Trenton Gas Field
Indiana Ohio oil and gas fields