The Underground World: A mirror of life below the surface
by Knox, Thomas Wallace · en · published 2018-07-04
A free public domain ebook from Project Gutenberg. Mines and mineral resources; Social history -- 19th century; Caves; Tunnels
About this book
The Underground World: A mirror of life below the surface is one of 76,000+ free public-domain ebooks indexed in the SENTINEL Books catalog, sourced from Project Gutenberg. Published 2018-07-04, written in en, classified under HN; TN in the Library of Congress system.
Subjects: Mines and mineral resources; Social history -- 19th century; Caves; Tunnels
Bookshelves: Category: History - Other; Category: Archaeology & Anthropology