Donna Billick
Art Science Fusion
Co-Director
University of California, Davis
Billick Rock Art
35301 Road 31
Davis, CA 95616
503/753-4677
Lauren Elder
Principal
Ambiente
5809 Ayala Ave.
Oakland, CA 94609
510/652-1358
www.laurenelder.com
Teri Hendy, President
Site Masters Inc.
PO Box 58676
Cincinnati, OH 45258
513/922-1499
f-513/936-9833
Stephen Shibley
Fertile Ground, LLC
PO Box 1608 Estacada, OR 97023
503/789-5010
www.fertilegroundservices.com
Leon Smith
Planet Earth Playscapes
P. O. Box 6992
Portland, OR
360/970-1519
www.earthplay.net