« Previous Page | 11 - 12 of 12
Edit My Search | New Search | Selected Items
11
PDF-1
TitleBreathing cave system
Date Issued1976-06
DescriptionSurveyed in 1959-1960, 1965-1969 by Kittatinny Grotto and Northern New Jersey Grotto, the map shows multiple entrances and openings to the surface.
Time Period1970-1979
12
PDF-1
TitleDevil's den
Date Created1976-06
DescriptionSurveyed in 1960 by Metropolitan Grotto, the map shows entrances and crawlways under shelves.
Time Period1970-1979