NSSDC: Surveyor to the Moon (1966-1968)
Information and descriptions about the first U.S. spacecrafts to land safely on the Moon. Their main objectives were to obtain close-up images of the lunar surface and to determine if the terrain was safe for manned landings.
nssdc.gsfc.nasa.gov/planetary/lunar/surveyor.html
NSSDC: Surveyor 2
Launched on September 20, 1966.
nssdc.gsfc.nasa.gov/database/MasterCatalog?sc=1966-084A