Garry Petrie

Software Consultant
Garry Petrie
19880 NW Nestucca Drive
Portland, Oregon 97229
503-690-5465
Internet:

My Caving Pages

• WinKarst cave mapping software.
• View DEM files with BasicDEM.
• Calculate Magnetic Declination with GeoMag.
• The Perfect LED Lamp.
• Lechuguilla photo map.
• My favorite links.