A limited amount of items in this folder: a letter (12/29/63) from Jerry MacMullen (Maritime Museum Assn. of San Diego) & Wilson’s reply (1/9/64) re/ “We are pleased to forward you, under separate cover, a colored map of the world” – Jerry wished to place this map aboard the Star of India; a letter (11/6/64) from Forbes Robertson (Professor of Geology, Principia College) to Wilson thanking him “for your cooperation in sending us the topographic maps for use in our geology department;” stapled copy of letters (Oct.-Nov.) from Professor Forbes, Wilson & Thomas B. Nolan (Dir., Geological Survey, Dept. of the Interior) re/ a number of California topographic maps requested by Professor Forbes. He indicated that “About 16% of our students come from California.”