American Silurian formations.
Subtitle: Paleozoic Ostracoda: their morphology, classification and occurrence.
By: By E. O. Ulrich and R. S. Bassler.  (Reprinted from Maryland Geological survey, Silurian)
Contributors: Bassler, Ray S. b. 1878
Publisher: The Johns Hopkins press
Published: 1923
Place of publication: Baltimore
Language: eng
Number of pages: 391
Subjects: Geology, Stratigraphic -- Silurian; Geology -- United States; Ostracoda, Fossil; Paleontology -- Maryland
Notes: At head of title: Maryland Geological survey.  Edward Bennett Mathews, state geologist