1/31 - A power point presentation on Euro Speleo in England (caves, holes, pits & pots) by chairman Andy Filer.
2/28 - An NSS Webinar; The Underground Cities of Turkey, Part 1.
3/28 - An NSS Webinar; The Underground Cities of Turkey, Part 2.
4/25 - An NSS Webinar; The PESH Project, Hauatla Cave, Mexico, Part 1.
5/30 - An NSS Webinar; The PESH Project, Hauatla Cave, Mexico, Part 2.
1/26 - Yorkshire Dales and Peak District UK Cave Trip Presentation by Andrew Filer
2/23 - Members' cave pack demo
3/29 - Wind and Jewel Cave Presentation by Sandy Myers
4/26 - Dye Tracing Webinar Part 1
10/25 - A guided tour of Indian Echo Caverns followed by dinner at The Warwick on the square in Hummelstown, PA
1/27 - Lava Tube Caving in Iceland, Part 1, by Mike Shank
2/24 - DVD: 2015 NSS Convention Promo Video
3/31 - Lava Tube Caving in Iceland, Part 2, by Mike Shank
4/28 - Caves and Karst of West Virginia Webinar, Part 1
5/26 - Caves and Karst of West Virginia Webinar, Part 2
10/27 - A guided tour of Indian Echo Caverns followed by dinner at The Warwick on the square in Hummelstown, PA
2/25 - Cave Access Update
3/25 - Caver Music video “Five short hours of Caving” & 2014 NSS Convention Video
9/30 - A demonstration of the ropes & knots used in verticle caving by Andrew Filer.
10/28 - A guided tour of Indian Echo Caverns followed by dinner at The Warwick on the square in Hummelstown, PA
1/29 - A Dale Ibberson video of a York Grotto trip to Mummau Cave.
4/30 - A Video Tour of the Devil's Cave System in Florida by YG Member Jessica Zellers.
10/29 - A guided tour of Indian Echo Caverns followed by dinner at The Warwick on the square in Hummelstown, PA
1/31 - DVD: National Geographic's "Into The Lost Crystal Caves," Part 3.
2/28 - NSS DVD: Karst Topography: A Unique and Fragile Environment.
3/27 - Power Point presentation by Chris Edenbo: Update on the grotto dig in the sinkhole on the Larry Adams property.
4/24 - A review of the digital processing of the old issues of the York Grotto News and grotto owned cave maps by Chris Edenbo and two short educational videos on cave biology.
5/29 - Pictures by Joel Jacobs of the York Grotto Vertical Practice on 5/19/12 and of a visit to the cave in the On-Line Caving Experience plus a trip into Python Cave from 5/26/12.
6/19 - A guided tour of Indian Echo Caverns in Hummelstown, PA.
9/25 - Dr. Charlie Miller's power point presentation on caves in the Chambersburg area.
1/25 - DVD: Discovery Channel's Big Science; "Iceland 2006" - Part 2.
2/22 - Slide Show: "A Caving Expedition to Belize 1985" from the personal collection of member Frank Herceg.
3/29 - DVD: National Geographic's "Into The Lost Crystal Caves," Part 1.
5/31 - DVD: National Geographic's "Into The Lost Crystal Caves," Part 2.
6/21 - A guided tour of Indian Echo Caverns in Hummelstown, PA followed by a meeting in The Amos Wilson Room of the cave.
9/27 - A presentation on the Pequea Silver Mine by Chris Haefner.
10/25 - A power point presentation by Jeri Jones of Jones Geological Services on the geology of south central Pa.
12/10 - The Promo Movie for the 2012 NSS Convention.
1/26 - A selection from the A & E series: Cities of the Underworld."
2/23 - Baker Caverns DVD taken by member J.R. Reich in 2000.
3/30 - Cave Related Geology: a slide presentation by member Frank Herceg
4/27 - Ocean Eiler made a presentation about The Access Fund. Founded in 1991, it is the national advocacy organization that keeps U.S. climbing areas open and conserves the climbing environment. www.accessfund.org/
5/25 - The Preview Video for the 2010 NSS Convention in Essex Junction, VT.
6/22 - A guided tour of Indian Echo Caverns in Hummelstown, PA followed by a meeting in The Amos Wilson Room of the cave.
7/27 - Member Andy Leh's slides from his trip to Endless Caverns, VA, Ruby Falls Cave, TN and Rock City on top of Lookout Mt.
9/28 - "Battle for the Bats." An NSS Salon Award Winning Video about WNS with excellent shots of cave life.
10/26 - DVD: Discovery Channel's Big Science; "Iceland 2006" Part 1.
12/11 (Holiday Party) - NOVA DVD: Extreme Cave Diving.
2/24 - Slide Presentation: Man Made Caves by Ewald Baker.
3/31 - Cave Rescue by Pat Minnick, member NCRC.
4/28 - NSS DVD: "Buried Treasure, Kentucky's Saltpeter Mines in the War of 1812."
5/26 - Slides from the York Grotto collection by Chris Edenbo.
6/23 - A tour of Indian Echo Caverns.
7/28 - Alan Horn's slides of the Bone Norman Cave System.
9/29 - "Bats of America"
10/27 - NSS DVD: "Secrets of Limestone Groundwater."
1/29 - "The Five Deepest Underwater Caves" by member Brett Johnson.
2/28 - The Discovery Channel's Planet Earth: "Caves."
3/25 - Member Dale Ibberson's slides of Roher's Cave.
4/29 - An Introduction to Vertical Caving by member Kevin Dunleavy.
5/27 - "Caving First Aid" by member Chris Edenbo.
7/29 - Dirtiest Jobs: "Caving" by member Nick Stoner.
9/30 - The Geology of Caves by member Frank Herceg.
10/28 - Slide program: "Endangered Species of Pennsylvania" by member Jim Hart.
1/30 - DVD: "The Discovery of Grand Caverns."
2/27 - Technical difficulties left us without a program so chairman Joel Jacobs read one of his short stories entitled "Road Kill."
3/27 - Video: A Bill Stone Power Point presentation, "Deep Caving in Mexico." (Introduces the audience to the world of
Sistema Cheve and the technology that has been developed to explore it.)
4/24 - Video: "Realm of Darkness; Hollow Mountain of Mulu."
5/29 - DVD: NSS Convention Promo, and members' slides.
6/26 - Video: "The Illusive Depths of Mexico."
7/31 - Slide Presentation: A report on the 2007 NSS Convention by members Elana Davis & Brett Johnson.
1/31 – Cave photographs by Alan Horn.
2/28 – Extreme Rappelling by Alan Horn.
3/28 – “Cave of the Medicine Woman.” A reading of an original story by its author Joel Jacobs.
4/25 – Two Videos: “Lifeline” & “Lechugilla Cave, The Hidden Giant” thanks to member Frank Herceg.
5/30 – Two Videos: “Single Rope Ascending Systems” & “The History of Vertical Caving” thanks to member Kevin Dunleavy.
6/27 – “Bats; Diversity, Ecology & Conservation” presented by member Jim Hart.
7/25 – Grotto member Michael Shearer presented a digital video report on the activities of his Caving Venture Crew.
9/26 – Members’ OTR memorabilia including pictures & slides from 2006 and prior years.
10/31 – NSS Best of Show video: Expeditions to the Edge: Cave Flood.
2/22 - "Virtual Cave" a demonstration by member Matt Saltzer.
3/29 - Slide Presentation; "The Bootlegger Sink Project" by member Jay Herbein.
4/26 - "Vertical Equipment Forum" by member Ed Sira.
5/31 - "Virtual Cave Project" by Members Matt Saltzer & Craig Anderson.
6/28 - "Commercial Slides from Harry's Travels" by Harry Sowers
7/26 - NSS DVD: "Low Impact Caving in Arkansas" by member Joel Jacobs
9/27 - "Boxwork & Wind Cave" by member Ted Sargent
10/25 - George & Karen Bange’s Rupert Cave Power Point Presentation narrated by member Dale Ibberson
4/27 - "Russian Caving," Part 1, by member Ed Sira.
5/25 - "Russian Caving," Part 2, by member Ed Sira.
6/29 - A presentation on surveying by member John Rosenfeld, a tour of Indian Echo Caverns, and a slide program created by member Dale Ibberson entitled "The History of Indian Echo Caverns."
7/27 - Members' Slides with Frank Herceg.
9/28 - Slides: "Caving in Belize, 1985" by member Frank Herceg.
10/26 - Video: "Golindrinas Pit" by member Ed Sera.
1/28 - Video: "Season of the Bat" by member Joel Jacobs.
2/25 - Slides & videos: "Caves of the Western U.S." by member Ted Sargent.
3/25 - Slides of the 1993 York Grotto trip to Iceland by member Frank Herceg.
4/29 - Video: "Alexander Cave" by member Dale Ibberson.
5/27 - Prusik Knot tying session led by member Mark Engle.
6/24 - DVD: "Amazing Caves" by Mark Engle.
7/29 - "The 1987-88 Diamante Expedition" by member John Rosenfeld.
8/26 - Members slides, photos or videos.
9/30 - "Caves of India" by member Dave Kohuth.
10/28 - "Caves of the Yucatan" by member Ted Sargent.
1/28 - "Cave Diving" by member Ted Sargent.
2/26 - "First Aid & CPR" by Joy Hackman.
3/26 - "Vertical Equipment Discussion" facilitated by member Mark Engle.
4/30 - "Members' Photo Salon."