- The North West Tribal GIS User Group: An educational and valuable experience Written by Steven DeRoy Directions to the Muckleshoot Tribal Office Location Map - Click to Enlarge I discovered the power of networking when I attended a very informal North West Tribal GIS User Group meeting back in April, 2002. An e-mail was forwarded to me with an opening line that stated Time once again to get ...www.nativemaps.org