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Generally, the Bedford Shale in Ohio is underlain by the Cleveland Shale throughout most of Ohio, [45] although it is underlain by the Chagrin Shale in the east. [46] The boundary with the Cleveland Shale is usually clear. [46] However, a transition zone, ranging from a few inches to 4.2 feet (1.3 m) in thickness, occasionally appears.
Outcrop of the Devonian Catskill Formation with a well-displayed thrust fault, located about 3 miles west of the village of Juniata Crossing on the north side of Route 30, Bedford County, Pennsylvania. Fossil coral of the Devonian Keyser Formation in the New Enterprise New Paris Quarry, Chestnut Ridge Bedford County, Pennsylvania.
Ohio produces three billion dollars worth of natural gas and $844 million of oil annually. Coal deposits were first recognized in the 1740s by early settlers and were mapped as early as 1752. Decreased demand due to increased natural gas production has reduced coal mining in the 2010s, although one underground mine and three surface mines ...
The Cleveland Shale is a shale geologic formation in Ohio in the United States. The Cleveland Shale underlies much of northeast Ohio in beds of varying thickness. In northeast Ohio, the member does not appear east of the Grand River. [7] Measurements taken in northeast Ohio show the Cleveland Shale to be 7 feet (2.1 m) [7] to 100 feet (30 m ...
Tinker's Creek is the largest tributary of the Cuyahoga River, the river which flows through Cleveland and into Lake Erie. Because of its glacial history, the course of the Cuyahoga River is unusual: it rises in Geauga County, Ohio, flows southward into the city of Akron, Ohio, and then abruptly turns northward and flows into Lake Erie.
The average population of Ohio's counties was 133,931; Franklin County was the most populous (1,326,063) and Vinton County was the least (12,474). The average land area is 464 sq mi (1,200 km 2 ). The largest county by area is Ashtabula County at 702.44 sq mi (1,819.3 km 2 ), and its neighbor, Lake County , is the smallest at 228.21 sq mi (591. ...
Bedford County was created on March 9, 1771, from part of Cumberland County and named in honor of Fort Bedford. The 1767 Mason–Dixon line had stabilized the southern border with Maryland. In the aftermath of the American Revolution , the population increased largely due to emigration.
The Mahoning Valley is a geographic valley encompassing Northeast Ohio and a small portion of Western Pennsylvania that drains into the Mahoning River. According to information at the bottom of Page 321 in a publication [1] by the Ohio Secretary of State's Office, the river name comes from an Indian word meaning “at the licks.”