The orbital ground track envelope of Apollo 15 on the near side of the moon.
NASA
1972
Apollo 15 Preliminary Science Report, 1972, NASA SP-289, Scientific and Technical Information Office, <a href="//commons.wikimedia.org/wiki/National_Aeronautics_and_Space_Administration" class="mw-redirect" title="National Aeronautics and Space Administration">National Aeronautics and Space Administration</a>, Washington, D.C. <a rel="nofollow" class="external autonumber" href="https://www.hq.nasa.gov/alsj/a15/as15psr.pdf">[1]</a>