Apollo 15 crewmen riding lunar roving vehicle simulator during geology trip

S70-53300 (2-3 Nov. 1970) --- Two Apollo 15 crew members, riding a Lunar Roving Vehicle (LRV) simulator, participate in geology training at the Cinder Lake crater field in Arizona. Astronaut David R. Scott, Apollo 15 commander, seated on the left; and to Scott's right is astronaut James B. Irwin, lunar module pilot. They have stopped at the rim of a 30-feet deep crater to look over the terrain. The simulator, called "Grover", was built by the United States Geological Survey.