II.—Second Geological Survey of Pennsylvania - 1. Part I. The Northern Townships of Butler County. Part II. A Special Survey made in 1875, along the Beaver and Shenango Rivers. With four Maps and 154 Vertical Sections. By H. M. Chance. - 2. The Geology of Lawrence County. A Report on the Correlation of the Coal-measures in Western Pennsylvania and Eastern Ohio. By J. C. White. With Geological Map and 134 Vertical Sections. - 3. Second Report of the Progress of the Laboratory at Harrisburg. By A. S. McCreath. (Harrisburg, 1879.) - 4. Atlas to the Coal Flora of Pennsylvania and of the Carboniferous Formation throughout the United States. By Leo Lesquereux. Eighty-seven Plates with Explanations. (Harrisburg, 1879.) - 5. The Permian or Upper Carboniferous Flora; or West Virginia and S.W. Pennsylvania. By W. M. Fontaine, M.A., and J. C. White, A.M. With thirty-eight Plates. (Harrisburg, 1880.)

J. M.

doi:10.1017/S0016756800148149

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II.—Second Geological Survey of Pennsylvania - 1. Part I. The Northern Townships of Butler County. Part II. A Special Survey made in 1875, along the Beaver and Shenango Rivers. With four Maps and 154 Vertical Sections. By H. M. Chance. - 2. The Geology of Lawrence County. A Report on the Correlation of the Coal-measures in Western Pennsylvania and Eastern Ohio. By J. C. White. With Geological Map and 134 Vertical Sections. - 3. Second Report of the Progress of the Laboratory at Harrisburg. By A. S. McCreath. (Harrisburg, 1879.) - 4. Atlas to the Coal Flora of Pennsylvania and of the Carboniferous Formation throughout the United States. By Leo Lesquereux. Eighty-seven Plates with Explanations. (Harrisburg, 1879.) - 5. The Permian or Upper Carboniferous Flora; or West Virginia and S.W. Pennsylvania. By W. M. Fontaine, M.A., and J. C. White, A.M. With thirty-eight Plates. (Harrisburg, 1880.)

Volume 7, Issue 8
J. M.
DOI: https://doi.org/10.1017/S0016756800148149

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II.—Second Geological Survey of Pennsylvania - 1. Part I. The Northern Townships of Butler County. Part II. A Special Survey made in 1875, along the Beaver and Shenango Rivers. With four Maps and 154 Vertical Sections. By H. M. Chance. - 2. The Geology of Lawrence County. A Report on the Correlation of the Coal-measures in Western Pennsylvania and Eastern Ohio. By J. C. White. With Geological Map and 134 Vertical Sections. - 3. Second Report of the Progress of the Laboratory at Harrisburg. By A. S. McCreath. (Harrisburg, 1879.) - 4. Atlas to the Coal Flora of Pennsylvania and of the Carboniferous Formation throughout the United States. By Leo Lesquereux. Eighty-seven Plates with Explanations. (Harrisburg, 1879.) - 5. The Permian or Upper Carboniferous Flora; or West Virginia and S.W. Pennsylvania. By W. M. Fontaine, M.A., and J. C. White, A.M. With thirty-eight Plates. (Harrisburg, 1880.)

Volume 7, Issue 8
J. M.
DOI: https://doi.org/10.1017/S0016756800148149

To save this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you used this feature, you will be asked to authorise Cambridge Core to connect with your Google Drive account. Find out more about saving content to Google Drive.

II.—Second Geological Survey of Pennsylvania - 1. Part I. The Northern Townships of Butler County. Part II. A Special Survey made in 1875, along the Beaver and Shenango Rivers. With four Maps and 154 Vertical Sections. By H. M. Chance. - 2. The Geology of Lawrence County. A Report on the Correlation of the Coal-measures in Western Pennsylvania and Eastern Ohio. By J. C. White. With Geological Map and 134 Vertical Sections. - 3. Second Report of the Progress of the Laboratory at Harrisburg. By A. S. McCreath. (Harrisburg, 1879.) - 4. Atlas to the Coal Flora of Pennsylvania and of the Carboniferous Formation throughout the United States. By Leo Lesquereux. Eighty-seven Plates with Explanations. (Harrisburg, 1879.) - 5. The Permian or Upper Carboniferous Flora; or West Virginia and S.W. Pennsylvania. By W. M. Fontaine, M.A., and J. C. White, A.M. With thirty-eight Plates. (Harrisburg, 1880.)

Volume 7, Issue 8
J. M.
DOI: https://doi.org/10.1017/S0016756800148149

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