TY  - BOOK
AU  - Bassler,Ray S.
ED  - Maryland Geological Survey.
TI  - Cambrian and Ordovician [deposits of Maryland,
AV  - QE121 .A215 vol. 7
PY  - 1919///
CY  - Baltimore
PB  - The Johns Hopkins press
KW  - Geology
KW  - Maryland
KW  - Geology, Stratigraphic
KW  - Cambrian
KW  - Ordovician
KW  - Fossils
KW  - Paleontology
N1  - At head of title: Maryland geological survey; "The seventh of a series of reports dealing with the systematic geology and paleontology of Maryland."; Versos of some of the plates on which explanations are given are numbered as pages; Bibliography: p. 34-44
ER  -