Letter f rom Dr Elisabeth Bilson, Technical Associate to Thomas Gold to MR H Pradenas Robba, President of "Gildee". Concepcion, Chile Unfortunately they are not engaged in research concerning "Flying Saucers". Encloses a brochure decribing the Arecibo Observatory, with a colour print and two black and white prints which show close up pictures of the lunar surface taken by Apollo 11 astronauts. Also including one of Professor Gold's very interesting articles on the close-up photographs 7 July 1970