 | 1891 - 800 páginas
...Pennsylvania. A Govern mant survey with a general view of the geology . .: r- : Rogers (Henry D.)— Continued, of the United States, essays on the coal formation...the coal fields of North America and Great Britain. 2 volg. Edinburgh, London, and Philadelphia, 1858. Atlas of plates and maps. Organic remains of tbe... | |
 | Geological Survey (U.S.) - 1891 - 1222 páginas
...the Stoto of Pennsylvania. By Henry D. Bogen, State Geologist. Hiirrisburg, Ш8, pp. 82, 83. JThfí Geology of Pennsylvania, a Government survey, with a general view of the geology of the Tnitod States; essays on the coal formation and its IVumil» and a description of the coal lields of... | |
 | Charles Abiathar White - 1891 - 1028 páginas
...Kxploration of tho State of Pennsylvania. By Henry D. Rogers, State Geologist. Harrisliurg, 1838, pp. 82, 83. •The Geology of Pennsylvania, a Government survey, with a general view of tho geology of the TJnitod Slates; essays on the coal formation and its fotmiln and a description of... | |
 | F. E. Idell - 1892 - 178 páginas
...with large copperplate engravings of plan-s and views. Imperial foho. cloth 25 oo ROGERS (Prof. HD) The Geology of Pennsylvania. A Government Survey....the Coal Fields' of North America and Great Britain. Illustrated with plates and engravings in the text. 3 vols. 4to. cloth. with portfolio of maps i5 oo... | |
 | Thomas M. Cleemann - 1892 - 244 páginas
...views. Imperial folio, cloth ........ 2 llustrated with large copperplate engrav 25 oo ROGERS (Prof. HD) The Geology of Pennsylvania. A Government Survey,...the Coal Fields of North America and Great Britain. Illustrated with plates and engravings in the text. 3 vols. 4to, cloth, with portfolio of maps .................. | |
 | 1892 - 1004 páginas
...a general view of the geology of the T7nit4xl States; essays on the coal formation and it* fossil* and a description of the coal fields of North America and Great Britain. By Henry Darwin Rogers, State Geologist. 4to, 2 vols., Edinburgh, London, and Philadelphia, 1858. Prof.... | |
 | William Allan - 1893 - 156 páginas
...with large copperplate engravings of plans and views. Imperial folio, cloth 25 oo ROGERS (Prof. HD) The Geology of Pennsylvania. A Government Survey,...the Coal Fields of North America and Great Britain. Illustrated with plates and engravings in the'text. 3 vols. 4to, cloth, with portfolio of maps i5 oo... | |
 | Alexander Watt (F.R.S.A.) - 1893 - 272 páginas
...with large copperplate engravings of plans and views. Imperial folio, cloth $25.00 ROGERS, Prof. HD The Geology of Pennsylvania. A Government Survey,...the Coal Fields of North America and Great Britain. Illustrated with plates and engravings in the text. 3 vols. 410, cloth, with portfolio of maps $15.00... | |
 | Walter Gordon Fox - 1893 - 114 páginas
...with large copperplate engravings of plans and views. Imperial folio, cloth 25 oo ROGERS (Prof. HD) The Geology of Pennsylvania. A Government Survey,...the Coal Fields of North America and Great Britain. Illustrated with plates and engravings in the text. 3 vols. 4to, cloth, with portfolio of maps i5 oo... | |
 | Frederick Arthur Halsey - 1894 - 180 páginas
...with large copperplate engravings of plans and views. Imperial folio, cloth $25.00 ROGERS, Prof. HD The Geology of Pennsylvania. A Government Survey,...the Coal Fields of North America and Great Britain. Illustrated with plates ant! engravings in the text. 3 vols. 410, cloth, with portfolio of maps £15.00... | |
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The Geology of Pennsylvania. A Government Survey, with a General View of the Geology of the United States, essays on the Coal Formation and its Fossils, and a description of the Coal Fields of North America and Great Britain. Illustrated with plates and... 
