Letter from Thoma Gold to Professor A A Levinson, Editor, Proceedings of the Apollo 12 lunar Science Conference, Department of Geology, The University of Calgary, Calgary 44, Alberta, Canada Encloses copies of the two papers which Professor Gold is submitting for inclusion in the Porceedings of the Apollo 12 Lunar Science Conference. Has included the best set of figures with these two copies, and has sent the originals of the papers with xeroxes of the figures to Dr Adams. 18 February 1971