Grand Canyon Caverns Update - Paul Jorgenson - 2020 ARA
an update on the mapping and exploration progress at Grand Canyon Caverns. an updated map of GCC is being done showing much of the new exploration, climbing leads and also mopping up non-virgin leads that did not make the original map. Information on the Cave Weather (pressure and humidity) experiment will also be given.
an update on the mapping and exploration progress at Grand Canyon Caverns. an updated map of GCC is being done showing much of the new exploration, climbing leads and also mopping up non-virgin leads that did not make the original map. Information on the Cave Weather (pressure and humidity) experiment will also be given.