RT Journal Article SR Electronic T1 The radioactivity of the thermal waters of Castle Hot Springs, Arizona JF American Journal of Science JO Am J Sci FD American Journal of Science SP 445 OP 449 DO 10.2475/ajs.s5-13.77.445 VO s5-13 IS 77 A1 Buehrer, T. F. YR 1927 UL http://www.ajsonline.org/content/s5-13/77/445.abstract AB