02156cam a22003013u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000110010610000290011724500530014626400510019930000470025033600260029733700260032333800360034950000310038550801020041652011880051853400450170665300410175185600430179299900190183559262UtSlPG20260610134350.0mcr n260607r2019||||utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aF850.51 aContor, Roger J.,d1930-14aThe Underworld of Oregon Caves National Monument 1aSalt Lake City, UT :bProject Gutenberg,c2019  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2019-04-12  aProduced by Stephen Hutcheson and the Online Distributed
Proofreading Team at http://www.pgdp.net  a"The Underworld of Oregon Caves National Monument" by Roger J. Contor is a scientific publication written in the early 1960s. This work focuses on the geological and biological aspects of the Oregon Caves, exploring the processes that formed these unique underground structures and the life they harbor. The book serves to educate visitors and enthusiasts about the significance of the caves and the delicate balance of the natural forces that shape them.  In this detailed exploration, Contor delves into the geological history of the Oregon Caves, describing the formation of the areas' marble composition and how water erosion led to the creation of the cave systems. He discusses the various cave features, known as speleothems, such as stalactites and flowstones, resulting from mineral deposits. Additionally, the book touches on the various forms of life—like bats and unique plants—adapting to this subterranean environment. Contor emphasizes the importance of conservation for the Oregon Caves, outlining the human history of their discovery and the need to preserve their fragile formations for future generations to enjoy. (This is an automatically generated summary.)  nOriginal publication data not identified  aOregon Caves National Monument (Or.)40uhttps://www.gutenberg.org/ebooks/59262  c100088d100088