Author:Engelbrecht, J; Inggs, M R; Mukusha, GDate:2011Surface subsidence associated with coal mining activities in the Mpumalanga Province, South Africa, changes the natural environment in several ways and current challenges for mining companies lie in rehabilitation of the natural environment ...Read more
Author:Wilkinson, A J; Mukhopadhyay, P K; Lewitton, N; Inggs, M RDate:2004A sonar system operating at 40 kHz in air has been developed to allow the capture of acoustic data in a laboratory environment. The system can serve as a teaching tool for students in seismology, sonar and radar, as well as a useful tool for ...Read more