Early geological history of Chicago / by Henry W. Nichols, Assoc. Curator of Geology.
Nichols, Henry W. (Henry Windsor),
Field Museum of Natural History,
Pages also numbered 73-102 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
Geology leaflet (Field Museum of Natural History) ; no. 7