National Speleological Society


	Breaking News The May 2017 Issue is now available. Earlier issues are here. Protect your membership by not sharing it outside your Society. The April 2017 Conservation Issue is available here to all. The December 2016 issue of the Journal of Cave and Karst Studies (Vol.78 No. 3) is available here. Find all issues here, and individual articles here. GO VIRTUAL CAVING! Try your hand at CAVER QUEST, the 3D simulation of the Snowy River section of Ft. Stanton Cave, NM. There's a new version! 2017 NSS Convention: Rio Rancho, NM June 19-23, 2017 Click logo for the web pages. Register now! Red or Green? Webinars and Luminary Talks Comparing Two Rope Rescue Systems Comparing a main line that holds all the load, and a second belay line that is un-tensioned, versus two tension systems, where both ropes hold about half the total load at all times.. -- See more webinars Donald Davis, an NSS Luminary, July 2016 A self-described eccentric, Donald Davis has led an interesting and somewhat nomadic life, but he has made made sustained, original, and lasting contributions to caving, and to the NSS. -- See all three 2016 NSS Luminaries		The Virtual Cave Guide to Responsible Caving Caving Safety & Techniques Youth Group Caving