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Fossil spores of the Alleghenian coals in Indiana.

By Guennel, Gottfried Kurt,.
Bloomington, 1952 .
40 p.

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Upper Mesozoic and Cainozoic spores and pollen grains from New Zealand.

By Couper, R. A..
[Wellington, R.E. Owen, Govt. Printer] 1953 .
77 p. , At head of title: New Zealand. Dept. of Scientific and Industrial Research. 28 cm..

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Spores with proximal radial pattern from the Devonian of Canada,

By McGregor, D. C..
[Ottawa] Dept. of Mines and Technical Surveys, Canada 1961 .
ix, 11 p. , Abstract in English and French. 25 cm..

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Plant spores and other microfossils from Upper Devonian and Lower Mississippian rocks of Ohio.

By Winslow, Marcia R..
Washington, U.S. Govt. Print. Off., 1962 .
v, 93 p. 29 cm..

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Miospores from the Mississippian Horton Group, eastern Canada.

By Playford, Geoffrey..
[Ottawa] Dept. of Mines and Technical Surveys, Canada 1964 .
47 p. , Abstracts in English and French. 25 cm..

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Devonian miospores from the Ghost river formation, Alberta,

By McGregor, D. C..
[Ottawa] Dept. of Mines and Technical Surveys, Canada 1964 .
31 p. , Abstract also in French.

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