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Βιβλία Βιβλία 1 - 7 από 7 για the most important single stratum in the entire geological column of Ohio. Its economic....
" the most important single stratum in the entire geological column of Ohio. Its economic value above ground is great, but it is greater below. In its outcrops it is a source of the finest building stone and the best grindstone grit of the country, and... "
Report of Progress ... - Σελίδα 98
των Pennsylvania. Geological Survey, 2d, Pennsylvania. Board of Commissioners for the Second Geological Survey - 1800
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Historical Collections of Ohio: An Encyclopedia of the State ..., Τόμος 1

Henry Howe - 1896
...Berea Grit. We have reached in our review the Berea grit, the second element of the Wavcrly scries, and not only the most important member of the series,...best grindstone grit of the country, and when it dips beneatn the surface it becomes the repository of invaluable supplies of petroleum, gas, and salt-water....

The Educational Series of Rock Specimens: Collected and Distributed by the ...

Joseph Silas Diller - 1898 - 400 σελίδες
...and its porosity makes it a reservoir for petroleum and gas. According to Prof. Edward Orton,1 it is "the most important single stratum in the entire geological...dips beneath the surface it becomes the repository of valuable supplies of petroleum, gas, and salt water.'' No. 14. BROWN SANDSTONE. (FROM HUMMELSTOWN,...

Bulletin - United States Geological Survey, Τεύχος 150

Geological Survey (U.S.) - 1898
...and its porosity makes it a reservoir for petroleum and gas. According to Prof. Edward Ortou,1 it is "the most important single stratum in the entire geological...dips beneath the surface it becomes the repository of valuable supplies of petroleum, gas, and salt water/' No. 14. BROWN SANDSTONE. (FROM HÜMMELSTOWN,...

Bulletin - United States Geological Survey, Τεύχη 150-152

Geological Survey (U.S.) - 1898
...and its porosity makes it a reservoir for petroleum and gas. According to Prof. Edward Ortou,1 it is "the most important single stratum in the entire geological...greater below. In its outcrops it is a source of the linest building stone and the best grindstone grit of the country, and when it dips beneath the surface...

Bulletin, Τεύχος 1

Ohio. Division of Geological Survey - 1903
...miles, or more than one-third of the area of the state. Its value is commensurate with its extent. "Its economic value above ground is great, but it is greater below. In its outcrop it is a source of the finest building-stone and the best grindstone grit of the country, and...

Fourth Series, Bulletin, Τεύχος 1

Ohio. Division of Geological Survey - 1903
...miles, or more than one-third of the area of the state. Its value is commensurate with its extent. "Its economic value above ground is great, but it is greater below. In its outcrop it is a source of the finest building-stone and the best grindstone grit of the country, and...

Bulletin, Τεύχος 1

Ohio. Division of Geological Survey - 1903
...miles, or more than one-third of the area of the state. Its value is commensurate with its extent. "Its economic value above ground is great, but it is greater below. In its outcrop it is a source of the finest building-stone and the best grindstone grit of the country, and...




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