The upper Ordovician rocks of Kentucky and their bryozoa
By: By John M. Nickles. 1905.
Series: Kentucky. Geological survey, 1904-1912. Bulletin -- no. 5; Bulletin (Kentucky Geological Survey) -- no. 5.
Publisher: Printed by the Geo. G. Fetter company
Published: 1905
Place of publication: Louisville [Ky.]
Subjects: Paleontology -- Ordovician; Paleontology -- Kentucky; Bryozoa, Fossil