Geology leaflet (Field Museum of Natural History) ; no. 12
Nichols, Henry W. (Henry Windsor), 1868-
Field Museum of Natural History. Department of Geology.
Chicago :Field Museum of Natural History,1929.
Pages also numbered 197-211.
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
QE1 .F5 no.12
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