Astronaut David Scott (b1932) on the slope of Hadley Delta during Apollo 15 mb-code Job_0419 1833) The Naturalist's Library

1833) The Naturalist's Library

'Clearing the Course

Major restoration work was necessary early in the 20th century to save the building from collapse

Mary Wilson

Astronaut David Scott (b1932) on the slope of Hadley Delta during Apollo 15 mb-code Job_0419 1833) The Naturalist's LibraryAstronaut David Scott (b1932) on the slope of Hadley Delta during Apollo 15, 1971. David Scott, mission commander, with tongs and gnomon in hand, studies a boulder on the slope of Hadley Delta during the Apollo 15 lunar surface extravehicular activity. The view is looking slightly southwest and Bennett Hill can be seen on the extreme right. The photograph was taken by fellow astronaut James B Irwin, pilot of the Lunar M.