https://digitalcommons.usf.edu/ijs/vol43/iss3/9/
"Caves in caves: evolution of post-depositional macroholes in stalagmites" by Nurit Shtober-Zisu,...
In a previous paper (Shtober-Zisu et al., 2012) we described millimeter to centime-sized fluid-free holes within the interiors of stalagmites of widely varying...
https://experts.mcmaster.ca/scholarly-works/205973
Macroholes in stalagmites and the search for lost...
Learn about the scholarly work entitled Macroholes in stalagmites and the search for lost...
and thesearch forstalagmiteslost