Memorandum by Pima County staff regarding recent analysis of surface water inputs to Davidson Canyon. These data provide much-needed review of impacts of the proposed Rosemont Mine on the surface waters of Davidson Canyon and Cienega Creek.
Powell, B., J. Fonseca, and F. Postillion. 2015. Memorandum – New Analysis of Stormflow and Groundwater Data from Davidson Canyon: Evidence for Influence of Stormwater Recharge of Groundwater. December 13.