Subterranean Wonders
Mammoth Cave Colossal Cavern Booklet. Published from newspapers represented by
Frederick J Haskin. 1930s. Staples wraps. Interesting booklet discussing
Mammoth Cave – Colossal Cavern in Kentucky. Illustrated cover and features b/w
photographs internally. Published prior to becoming a national park in 1941. 6”
x 9” and 32 pages. Mild wear.