RT Journal Article SR Electronic T1 On the occurrence of the lower Burlington limestone in New Mexico JF American Journal of Science JO Am J Sci FD American Journal of Science SP 97 OP 103 DO 10.2475/ajs.s3-27.158.97 VO s3-27 IS 158 A1 Frank Springer YR 1884 UL http://www.ajsonline.org/content/s3-27/158/97.abstract AB