|
USA | |
| Matt Livingood, Jason Winicaties, and Jared Stein, located at:http://www.offroaders.com/album/centralia/study/ESL201Paper.htm |
| Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 73 Montgomery, Arthur (Sep, 1972), "PA Minerals" (PM), PM(117), Keystone Newsletter. |
| Reed, Juliet C. (1976), Annotated Biblio. of Mins. New to the Pa List 1965-1974, The Mineralogical Soc. of PA, Inc.: 73-74 Finkelman, Robert B., et al (1974), "Observations on Mins. from Burning Anthracite Seams & Culm in PA," Geol. Soc. Am. Abstracts w. Programs, Vol. 5(1): 27-28. |
| Reed, Juliet C., Annotated Bibliography of Minerals New to the Pennsylvania List - 1965-1974, Min. Soc. of PA, Inc. (1976): 73 Montgomery, Arthur (1969), "Pickeringite," in Mineralogy of Pennsylvania, 1922-1965: 28 Lapham, Davis M. (Oct, 1972), Keystone Newsletter. |