Wreck diving & cave diving are sharing some similarities in safety procedures, protocols and operations. Some of them are related to using of directional & non-directional markers, jumps, lines, spools…
The following material “Zen and the Art of Mexican Cave Navigation“published in GUE‘s blog InDEPTH is a very good reference to analyze, learn and apply in any overhead environment.
Dive Safe!
Wreck Divers Awareness and Exploration Club® 