Bevan, B.W. (1983). Electromagnetics for Mapping Buried Earth Features. Journal of Field Archaeology 10(1):47-54.

Conyers, L.B., and C.M. Cameron. (1998). Finding and Mapping Buried Archaeological Features in the American Southwest: New Ground-Penetrating Radar Techniques and Three-Dimensional Computer Mapping. Department of Anthropology, University of Denver, Denver, Colorado. Submitted to the U.S. Department of the Interior, National Park Service, National Center for Preservation Technology and Training.

Sternberg, B. K. and McGill, J. W. (1995).  Archaeology Studies in Southern Arizona Using Ground Penetrating Radar.  Journal of Applied Geophysics 33(1-3): 209-225.

Weymouth, J.W. (1979). A Magnetic Survey of Tumacacori National Monument. Department of Physics and Astronomy, University of Nebraska, Lincoln. Submitted to Midwest Archeological Center, National Park Service, Lincoln, Nebraska. Purchase Order No. PX-6115-8-0096.