James Irwin (left) and David Scott (right) drive Grover.

James Irwin (left with checklist) and David Scott (right) drive Grover; closeup of seating area and camera.

James Irwin with chest-mounted camera and David Scott (not visible) drive Grover.

Charles Duke (left) and John Young (right) drive Grover; camera and transceiver covered in gold foil, fenders installed.

Charles Duke (background) and John Young (foreground) drive Grover with canyon in background; panoramic view.

Charles Duke (left) and John Young (right) drive Grover; camera and transceiver covered in gold foil, no fenders.

Eugene Cernan (foreground) and Harrison Schmitt drive Grover; closeup of seating area.

Eugene Cernan (foreground) and Harrison Schmitt drive Grover; fenders installed, note Apollo geologic tools in rear rack.

Eugene Cernan (right) and Harrison Schmitt drive Grover; Sunset Crater lava flows visible in background.

Grover seat frame parts (upper left) and wheel mount/steering components.

Photographic hardcopy scans of 1970 photographs captured by a Soyuz 7K-L1 unmanned spacecraft on the soviet Zond8 mission. This data along with data from Apollo, Lunar Orbiter and Galileo missions is…