Reply to comment by Smith, B.J. on 'Use of packrat middens to determine rates of cliff retreat in the eastern Grand Canyon, Arizona' by Cole, K.L., and Mayer, L.
Cole, K.L., and Mayer, L., 1983, Reply to comment by Smith, B.J. on 'Use of packrat middens to determine rates of cliff retreat in the eastern Grand Canyon, Arizona' by Cole, K.L., and Mayer, L.: Geology, v. 11, no. 8, p. 494-495.