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Cave Research Associates Tumbling Creek Cave Foundation
Contents: The application of stable carbon isotope studies to karst research, part II: an example from central Pennsylvania / Russell S. Harmon -- From the current literature. Cave Notes(vols. 1-8) and Caves and Karst: Research in Speleology(vols. 9-15) were published by Cave Research Associates from 1959-1973. In 1975, the Tumbling Creek Cave Foundation compiled complete sets of the journals in three volumes. The Foundation sells hardbound copies of the material to support its activities. Open Access - Permission by Publisher Tumbling Creek Cave Foundation Collection Vol. 13, no. 4 (1971) See Extended description for more information.
Cave Research Associates, "Caves and karst: Research in speleology" (1971). Caves and Karst: Research in Speleology. 69.