- Bluebonnet Valley Service Unit Who we are Here's What's Happening Today Here is a map of the approximate area of the Bluebonnet Valley Service Unit Link to Girl Scouts-Lone Star Council Home Page Link to the Girl Scouts of the USA Home Page For more information you can send a message to Kelli Carlton. Or snail mail her at: Kelli Carlton Girl Scouts-Lone Star Council PO Box 15385 Austin TX 78761 ...www.main.org/bbv/index.html