 | Frederick Arthur Halsey - 1890 - 178 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. 4to, cloth, with portfolio of maps $15.00... | |
 | 1893 - 426 páginas
...barrandei Ang. Beyrichia jonesii Boll. For other references, see Bronn and Roemer, p. 31. Rogers (Henry D.) The geology of Pennsylvania. A Government survey with...the coal fields of North America and Great Britain. 2 vols. Edinburgh, London, and Philadelphia, 1858. Atlas of plates and maps. Organic remalns of the... | |
 | William Paul Gerhard - 1890 - 246 páginas
...with large copperplate * engravings of plans and views. Imperial folio, cloth 2500 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 . 15... | |
 | William Paul Gerhard - 1890 - 230 páginas
...engravings of plans and views. Imperial folio, cloth 2500 SCIENTIFIC PUBLICATIONS. 31 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. 15... | |
 | Dyer (pseud.) - 1890 - 158 páginas
...Functions, with especial reference to the Newtonian Conception of Rates or Velocities. i2mo, paper 50 / of Pennsylvania. A Government Survey, with a General view of the Geology of the s on the Coal Formation and its FosROGERS (Prof. HD) The Geolo. ernment Survey, with a^ ' United States,... | |
 | Anthony Wayne Vogdes - 1890 - 258 páginas
...Rogers (Henry D.)— Continued. of tho United States, essays ou the coal formation and its foseus, and a description of the coal fields of North America and Great Britain. 2 vols. Edinburgh, London, and Philadelphia, 1858. Atlas of plates and maps. Organic remains of tbc... | |
 | 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... | |
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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... 
