The micropaleontology of the Niobrara formation in Kansas, Nebraska and South Dakota
By: by Gerald J. Loetterle
Series: Nebraska Geological Survey Bulletin -- no. 12; Bulletin (Nebraska Geological Survey) -- no. 12.
Publisher: Printed by authority of the state of Nebraska
Published: 1937
Place of publication: [Lincoln]
Language: eng
Number of pages: 73
Subjects: Paleontology; Fossil Foraminifera
Notes: Descriptive letterpress on versos facing the plates.

Bibliography: p. 69-73.