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.