Title: Stratigraphic and paleontologic studies of the Pennsylvanian and Permian rocks in north-central Texas
First published: 1938
Subjects: Fossil Invertebrates, Geology, Geology, Stratigraphic, Invertebrates, Fossil, Paleontology, Stratigraphic Geology, Carboniferous Geologic Period, Permian Geologic Period
Places: Texas
Time periods: Carboniferous, Permian
LC classification: QE671 .L4