1. Benson, R.C. and Glaccum, R.A. (1979) Radar surveys for geotechnical site assessment, in Geophysical Methods in Geotechnical Engineering, Specialty Session, ASCE, Atlanta, Georgia, pp. 161–78.
2. Benson, R.C., Glaccum, R.A. and Noel, M.R. (1982) Geophysical Techniques for Sensing Buried Waste and Waste Migration, EPA — Environmental Monitoring Systems Laboratory, Las Vegas, Nevada.
3. Benson, R.C. and LaFountain, L.J. (1984) Evaluation of subsidence or collapse potential due to subsurface cavities, in Sinkholes, Their Geology, Engineering and Environmental Impact, Proc. of the 1st Multidisciplinary Conf. on Sinkholes, Sinkhole, Orlando, Florida, pp. 201–15.
4. Benson, R.C. and Pasley, D.C. (1984) Ground Water Monitoring: A Practical Approach for a Major Utility Company, 4th Nat. Symp. and Exposition on Aquifer Restoration and Ground Water Monitoring, National Water Well Association.
5. Benson, R.C. and Scaife, J. (1987) Assessment of flow in fractured rock and karst environments, Proc. 2nd Multidisciplinary Conf. on Sinkholes and the Environmental Impacts of Karst, Orlando, Florida.