TY - RPRT TI - Biostratigraphy and chronostratigraphy of the Cambrian-Ordovician great American carbonate bank AU - John F. Taylor AU - John E. Repetski AU - James D. Loch AU - Stephen A. Leslie PY - 2012 DO - 10.1306/13331488m983497 UR - https://pubs.usgs.gov/publication/70044135 ID - 70044135 ER -