1. PAGE RANCH TOXIC DUMPSITE
2. A Saddlebrooke Water Primer. Bob Simpson, 2008
3. Pima Co. Comprehensive Plan, Water resources, 2007
1. Water availability in the NW annexation area. Hector Conde, 2006
5. Impact of Arroyo Grande on Oro Valley/Catalina Water, Bob Simpson 2008
6. Subsidence
7. Oro Valley safe yield 2001
8 Letter to the Replenishment District (CAGRD) 2004