Cold Water Cave

From Wikipedia, the free encyclopedia

You have new messages (last change).

Cold Water Cave is the name of an extensive cave system in Winneshiek County, Iowa. The cave system contains a large underground creek that courses around much of the cave's 7.3 miles of passages. The cave system has some unusual features such as its rate of expansion, which is higher than that of most caves. It also has realitivly low amounts of oxygen and high amounts of carbon dioxide. The cave is a National Natural Landmark, designated in 1987.

Retrieved from "http://en.wikipedia.org../../../c/o/l/Cold_Water_Cave_a16a.html"