RT Journal Article
SR Electronic
T1 The Cambrian and the Ozark series
JF American Journal of Science
JO Am J Sci
FD American Journal of Science
SP 57
OP 60
DO 10.2475/ajs.s3-46.271.57
VO s3-46
IS 271
A1 Broadhead, Garland Carr
YR 1893
UL http://www.ajsonline.org/content/s3-46/271/57.abstract
AB