Correspondence and publications of NASA relating to Apollo 16, collected by Colin Pillinger Material printed by NASA includes site selection, a large poster showing images of the Descartes landing site, an illustration showing two astronauts operating the core sampler, and a black and white photograph of astronaut John W Young in a space suit holding a model of the detector arrays designed to record the tracks of cosmic rays on the exterior of the Lunar Module. Copies of 'NASA News' concern lunar samples and cosmic ray detection. Correspondence topics include security, return of samples and special lunar samples. Correspondents: Michael B. Duke, NASA R.I. Logan, Science Research Council J.H. Price, Science Research Council Judith Frondel, Harvard University Dr Geoffrey Eglinton, University of Bristol Paul W. Gast, NASA Gene Simmons, NASA A.D. Gillinder, Science Research Centre 4 May 1971 - 9 November 1972