Biostratigraphy and lower permian fusulinidac of the upper delta river area, east-central Alaska range Ronald G. Petocz.

Petocz, Ronald G.

Biostratigraphy and lower permian fusulinidac of the upper delta river area, east-central Alaska range Ronald G. Petocz. - Colorado Geological Society of America 1970 - viii, 94p. 23cm.

8137-2130.


Plants Fossil Geology, stratigraphic.

560.17 / P44B
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