A new crinoid slab, a bit of Mississipian sea bottom
By: by Erwin Hinckley Barbour.
Series: Bulletin / Nebraska State Museum -- v. 1, no. 23; Bulletin (University of Nebraska State Museum) -- v. 1, no. 23.
Publisher: University of Nebraska
Published: 1931
Place of publication: [Lincoln]
Language: eng
Number of pages: 202
Subjects: Crinoidea, Fossil.
Notes: Caption title.

"August, 1931."