Citation: E. Kile Daniel, Zeolites and associated minerals from the table Mountains near Golden, Jefferson County, Colorado, Rocks and minerals , 79(4), 2004, pp. 218-238
Citation: E. Kile Daniel, Occurrence and genesis of Thunder Eggs containing plume and moss agate from the Del Norte area, saguache county, Colorado, Rocks and minerals , 77(4), 2002, pp. 252-268