1. Geologic map of the Lansberg P region of the Moon : Lunar Orbiter Site III P-9, Oceanus Procellarum including Apollo Landing Site 7 (Apollo l2) Yale Public content 1971. 2012-11-02T19:42:49Z. 2012-11-02T19:42:49Z. Pohn, Howard A. U.S. Geological Survey. English. Public. Lansberg region and Moon.