A number of detailed comments were received on the DEIS, related to the use of the groundwater model. The most technical of these comments were contained in a report by Dr. Bob Prucha, under the auspices of the Arizona Mining Reform Coalition et al comment letter.

The purpose of this process memorandum is to detail the process used to evaluate these comments, the decisions made by the Tonto National Forest with respect to addressing the comments, and the rationale for those decisions.