Additions to the flora of the Spotted Ridge Formation in central Oregon / / by Sergius H. Mamay and Charles B. Read |
Autore | Mamay Sergius H. <1920-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1956 |
Descrizione fisica | 1 online resource (22 unnumbered pages, 4 unnumbered pages of plates) : illustrations |
Collana |
Geological Survey professional paper
Shorter contribution to general geology |
Soggetto topico |
Paleobotany - Oregon, Central
Paleobotany - Pennsylvanian Formations (Geology) - Oregon, Central Paleobotany Pennsylvanian Geologic Period |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910706217703321 |
Mamay Sergius H. <1920->
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Washington : , : United States Department of the Interior, Geological Survey, , 1956 | ||
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Lo trovi qui: Univ. Federico II | ||
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Occurrence and significance of marine animal remains in American coal balls / / by Sergius H. Mamay and Ellis L. Yochelson |
Autore | Mamay Sergius H. <1920-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1962 |
Descrizione fisica | 1 online resource (36 unnumbered pages, 9 unnumbered pages of plates) : illustrations, map |
Collana |
Geological Survey professional paper
Shorter contributions to general geology |
Soggetto topico |
Paleontology - Illinois
Paleontology - Iowa Paleontology - Kansas Paleontology - Oklahoma Coal balls Plant spores, Fossil |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910706561403321 |
Mamay Sergius H. <1920->
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Washington : , : United States Department of the Interior, Geological Survey, , 1962 | ||
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Lo trovi qui: Univ. Federico II | ||
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Paleozoic origin of the cycads / / by Sergius H. Mamay |
Autore | Mamay Sergius H. <1920-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1976 |
Descrizione fisica | 1 online resource (iii, 48 pages, 5 unnumbered pages of plates) : illustrations |
Collana | Geological Survey professional paper |
Soggetto topico |
Cycads, Fossil
Paleobotany - Paleozoic Paleobotany - West (U.S.) Paleobotany Paleozoic Geologic Period |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910706837103321 |
Mamay Sergius H. <1920->
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Washington : , : United States Department of the Interior, Geological Survey, , 1976 | ||
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Lo trovi qui: Univ. Federico II | ||
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Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas / / by Sergius H. Mamay |
Autore | Mamay Sergius H. <1920-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1966 |
Descrizione fisica | 1 online resource (iii, E15 pages, 3 pages of plates) : illustrations |
Collana |
Geological Survey professional paper
Contributions to paleontology |
Soggetto topico |
Paleobotany - Permian
Paleobotany - Texas - Baylor County Plants, Fossil Paleobotany Permian Geologic Period |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910705730103321 |
Mamay Sergius H. <1920->
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Washington : , : United States Department of the Interior, Geological Survey, , 1966 | ||
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Lo trovi qui: Univ. Federico II | ||
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Two new plant genera of Pennsylvanian age from Kansas coal balls / / by Sergius H. Mamay |
Autore | Mamay Sergius H. <1920-> |
Pubbl/distr/stampa | Washington : , : United States Department of the Interior, Geological Survey, , 1954 |
Descrizione fisica | 1 online resource (19 unnumbered pages, 3 unnumbered pages of plates) : illustrations |
Collana |
Geological Survey professional paper
Shorter contributions to general geology |
Soggetto topico |
Paleobotany - Pennsylvanian
Paleobotany - Kansas Plant spores, Fossil Seeds, Fossil Coal balls - Kansas Paleobotany Pennsylvanian Geologic Period |
Formato | Materiale a stampa ![]() |
Livello bibliografico | Monografia |
Lingua di pubblicazione | eng |
Record Nr. | UNINA-9910706271203321 |
Mamay Sergius H. <1920->
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Washington : , : United States Department of the Interior, Geological Survey, , 1954 | ||
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Lo trovi qui: Univ. Federico II | ||
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