Letter from Elizabeth Bilson to Dr Edward A Flinn, Editor, Journal of Geophysical Research, Lunar and Planetary Programs Office, NASA Headquarters, Code SL, Washington DC Encloses the revised manuscript of 'The Search for the Cause of Low Albedo of the Moon', JGR MS No. 4001. They have removed or revised all the material already published in the Lunar Science Conference Proceedings and also made extensive changes on the basis of Dr Hapke's comments. 17 August 1976