Things I like share with other people via PowerPoint Presentations or Slide Shows:

- All Geoscience Topics

 - Alpine ARD Research

 - Galapagos

 - Alaska

 - Antarctica

 - Birds

 - Rotary International

 - New Zealand

 - Mineral Collecting and Displays

 - Sailing from Honolulu to Midway Atoll

 - Two Days on Bob Ballard's Nautilus

 - Iceland

 - And Many More Topics