Lunar Orbiter II, oblique view of the Marius Hills and Oceanus Procellarum, December, 1966,

covering an area the size of Massachusetts, Connecticut and Rhode Island, showing lunar volcanic domes ranging from 7 to 10 miles across, and from 1,000 to 1,500 feet high. Also visible, upper right, is the older and unrelated impact crater Marius, about 25 miles across and a mile deep,

vintage gelatin silver print, 11 x 24 cm. (4 3/8 x 9 1/2 in.), blue NASA caption numbered 66-H-1634, verso