Here is a partial list of Trail Services workshops:

1998
Rocky Mt. National Park - Estes Park - CO - Rigging Training
New York New Jersey Trail Conference - Westchester CTY NY - , Stonecutting Training

1999
Yosemite National Park - CA - Rigging Training

2001
Mt. Baker-Snoqualmie NF - Student Conservation Association - Rigging and rock work
Appalachian Trail Conservancy - Shippensburg - PA - Rigging training
Nez Perce NF - Gospel Hump Wilderness - ID - Rigging and Stone Shaping Training

2002
Mt. Wachusett State Park - MA - Rigging Training
Appalachian Mountain Club - Pinkham Notch - NH - Rigging Training

2003
New Brunswick Trails - Fredericton NB - Rigging Presentation
Appalachian Trail Conservancy - Waterville Valley NH - Rigging Training

2004
Mt. Wachusett State Park - MA - Rigging Training
Grand Teton National Park - WY - Rigging Training

2005
Professional Trail Builders Association - Reno -NV - Rigging Training

2006
Green Mountain Club - Waterbury Center - VT - Rigging Training
Pacific Crest Trail Association - San Bernadino NF - CA - Rigging, Stonecutting and shaping

2007
Appalachian Trail Conservancy - Ramapo - NJ - Rigging Training
Pacific Crest Trail Association - Cascade Locks - Oregon - Rigging, Stonecutting and Shaping

2008
Professional Trail Builders - Reno -NV - Rigging Training
Lassen Volcanic NP - Whiskeytown NRA - CA - Rigging Stonecutting and Shaping Training
North Country Trail Association- Allegheny NF - PA - Rigging and Rock-Work Training

2009
Professional Trail Builders - Ashville - NC - Rigging Training
Arizona Trails - Prescott - AZ - Rigging, Stonecutting and Shaping Training
Alaska Trails - Anchorage - AK Rigging Training
Green Mountain Club - Waterbury Center - VT - Rigging Training
Student Conservation Association - Charlestown - NH - Dry-Stack Stone wall Training
Appalachian Trail Conservancy - Castleton - VT - Rigging Training
Pacific Crest Trail Association - Truckee - CA - Rigging and Rock Work Training
Lake Tahoe Basin Management Unit - South Lake Tahoe - CA - Rigging and Rock Work
Environmental Corps - Austin - TX - Rigging, Stonecutting and Rock work training

Rigging class at Grand Teton National Park
practicing shackle belay/break method