February 20, 1970 letter inviting RDC to presentation of Can Man Survive?
1 p. An typed, photocopied invitation with hand-written address to President Robert D. Clark from the students of 'Can Man Survive?' to attend an encore presentation on environmental issues by Professor John MacGregor. 'Can Man Survive?' was an experiemental, student-initiated class with over 2,500 student participants, taught in the 1969-1970 academic year.