Mountain Press Publishing Missoula Montana
Robert Sharp
Robert P. Sharp first visited Death Valley and Owens Valley as a child around 1920, and he continues to lead geology field trips to the are. Sharp is a professor emeritus at the California Institute of Technology in Pasadena and received the Penrose Medal of the Geological Society of America. He and Allen Glazner cowrote Geology Underfoot in Southern California.

   Geology Underfoot in Southern California
   Geology Underfoot in Death Valley and Owens Valley