Geology leaflet ; no. 6
Farrington, Oliver C. (Oliver Cummings), 1864-1933
Field Museum of Natural History. Department of Geology.
Chicago :Field Museum of Natural History,1925.
Pages also numbered 59-71 at foot of pages.
Fieldiana, Popular series, Geology, was published by Field Museum of Natural History, Dept. of Geology as Leaflet (no. 1-4, 1922-1923) and as Geology leaflet (no. 5-14, 1925-1933). The Leaflet series
QB591 .F37 1925
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