Carr Reef history, in Farrell, M.M., and others, Tearing up the ground with splendid results: Historic mining on the Coronado National Forest

Gillespie, W.B., 1995, Carr Reef history, in Farrell, M.M., and others, Tearing up the ground with splendid results: Historic mining on the Coronado National Forest: U.S. Department of Agriculture, Forest Service, Southwestern Region, Heritage Resources Management Report no. 15, p. 37-47.