TY - RPRT TI - Staurolite zone Caradoc (Middle-Late Ordovician) age, Old World province brachiopods from Penobscot Bay, Maine: Discussion AU - Robert B. Neuman PY - 1973 DO - 10.1130/0016-7606(1973)84<1829:szcmoa>2.0.co;2 UR - https://pubs.usgs.gov/publication/70241804 ID - 70241804 ER -