Colossal Cave county park
Author
J. Wilson
Article Date
April-May 1937
Journal Title
Tuc
COLOSSAL CAVE
Bandit trail led first visitors to Colossal Cave
Author
J. Bart
Article Date
January 1938
Journal Title
Des
Arizona's Colossal Cave
Author
K.Gwenby
Article Date
December 1968
Journal Title
Des
A cave is not a home
Author
R.Barrett
Article Date
November 9, 1975
Journal Title
Arizona