...part of the state. The Ohio shale, including the Huron, Erie and Cleveland shales of Newbury " fills the entire interval between the Hamilton proper and...in the judgment of some geologists a wider interval even than that named above." Part II contains the following chapters : Chapter I, The Archaeology of...

...itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...the judgment of some geologists, a wider interval even than that named above. As Newberry was the first to show, the oil sands of Pennsylvania are banks...

...Ohio shale, as Newberry has shown, is certainly the equivalent in the general scale of the (icnesee slate, the Portage group and the C'hemung group, the...itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...

...Ohio shale, as Newberry has shown, is certainly the equivalent in the general scale of the Genessee slate, the Portage group and the Chemung group, the...itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...

...itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...in the judgment of some geologists a wider interval even than that named above. As Newberry was the first to show, the oil sands of Pennsylvania are banks...

...Ohio shale, 33 Newberry first proved, is certainly the equivalent in the general scale of the Genessee slate, the Portage group and the Chemung group, the...in the judgment of some geologists a wider interval even than that named above. As Xewberry was the first to show, the oil sands of Pennsylvania are banks...

...GEOLOGY OF OHIO. Newberry first proved, is certainly the equivalent in the general scale of the Genessee slate, the Portage group and the Chemung group, the...in the judgment of some geologists a wider interval even than that named above. As Newberry was the first to show, the oil sands of Pennsylvania are banks...

...certainly the equivalent in the general scale of the Genesee slate, the Portage group and the Chcmung group, the last named being itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...

...itself a formation of great thickness and extent. In other words, the shales of our column bridge the interval between the Hamilton proper and the Catskill...the judgment of some geologists, a wider interval even than that named above. As Newberry was the first to show, the oil sands of Pennsylvania are banks...