1. Geologic map of Apollo Landing Site 2 (Apollo 11) (Part of Sabine D region, southwestern Mare Tranquillitatis) Yale Public content 1970. 2012-11-02T15:36:26Z. 2012-11-02T15:36:26Z. Grolier, Maurice J. U.S. Geological Survey. English. Public. Sabine D region and Moon.