New trilobites from the Maquoketa beds of Fayette county, Iowa
By: by Arthur Ware Slocom -- ; Oliver Cummings Farrington --
Contributors: Farrington, Oliver C. 1864-1933, [editor]; Field Museum of Natural History.
Series: Fieldiana -- v. 4, no. 3; Field Museum of Natural History. Publication -- 171. -- Geological series -- Vol. IV, No. 3.; Publication (Field Museum of Natural History : 1909) -- 171; Publication (Field Museum of Natural History : 1909) -- v. 4, no. 3
Publisher: Field Museum of Natural History
Published: 1913
Place of publication: Chicago
Subjects: Trilobites.; Paleontology -- Iowa -- Fayette County.; Paleontology -- Ordovician.