TY  - BOOK
AU  - Hall,James
TI  - Bryozoa of the Upper Helderberg group: Plates and explanations ..
AV  - QE798 .H17
PY  - 1866///]
CY  - [Albany
KW  - Bryozoa, Fossil
KW  - Paleontology
KW  - Devonian
N1  - "Published in advance of the report of the state geologist for 1886, and of volume VI, Palæontology of New York, 1886."
ER  -