One of the early seismic recording trucks (upper left) used for some theses and dissertations in the Virginia Tech reflection seismology program. Mayhew 500 shothole drill (upper right, lower right). Water truck (lower left). Photos (June, 1973) courtesy of Bob Edsall, (M.S. Geophysics, 1974, A Seismic Reflection Study Over the Bane Anticline in Giles County, Virginia).