Richard Wylde and Fred Devos of Zero Gravity - over the last decade or so - have been building a set of maps in the Yucatan cave area. So far the corpus of work covers five finished maps and an ongoing one in Mundo Escondido. Details are given below:
Mundo Escondido - started in 2019
and here is a "Anecdotes of a slightly mad cave diver" PowerPoint presentation given in 2015
