APE CAVE BOOK
Ape Cave and the Mount Saint Helens Apes by William R. Halliday and Charlie Larson. 24 page book covers the history of Ape cave with photos and a map of the cave.
Below the Basalt of Mt. St. Helens Guidebook 2023
The guidebook is about 140 pages loaded with maps and photos of almost every cave on Mount Saint Helens.
