NSS News, Vols. 27-50 (missing Vol. 39 #12 and Vol. 50 #12, else complete) plus 1979 NSS Members Manual.
Huntsville, AL: National Speleological Society, 1969-1992. First edition. Original Wraps. Quarto, each volume approx. pp. 350-400. Illustrated with b/w drawings and photos, ads. Great run of this informative periodical from the National Speleological Society, including special issues on American caving accidents and other topics of interest to the caving and..... More