Correspondence (1945-1985), drafts for Menard's six books, including Marine Geology of the Pacific (1946) and Geology, Resources and Society (1974); and numerous articles, memoranda, news clippings, proposals, reports, manuscript for "The Truth Director" - Menard's personal reflections on his experiences of the politics of the directorship of the U. S. Geological Survey, study files (1969-1972), including data and notes for research papers and particularly for his study of the Santa Barbara oil spill, summer study (1969) Everglades, Stanford University, Jamaica Bay Environmental Study Group (College of Nautical Studies, Southampton, N. Y.), and Council on Enviornmental Quality cirtique (1973-1974); negatives, photographs, illustrations, and 35 mm and lantern slides used for publications on plate tectonics, continental drift and volcanology, teaching materials, and files concerning expeditions and marine operations at Scripps Institution of Oceanography, photographs and records of Menard's World War II naval service, materials from Menard's student days at California Institute of Technology and Harvard University including papers, essays, exams, lecture notes, and laboratory notebooks, awards, personal photographs, and calendars documenting Menard's work as a marine geologist. His work as an author is very well documented, including drafts, illustrations, correspondence and notes. Files of correspondence, travel and speaking engagements, agendas, appointment books, news clippings and reports document his role as director of the United States Geological Survey (1978-1981), mainly concerning meetings of American Association for the Advancement of Science, National Academy of Sciences, National Research Council, Geological Society of America, and other professional organizations of geologist and petroleum and environmental engineers; and information concerning trips to Africa, 1980, and South America, 19779, with presidential science advisor Frank Press. Committee records and photos for the Santa Barbara oil spill offer good documentation of the study made of the spill in 1969. Correspondence relating to Menard's book on the plate tectonic controversy, "Ocean Truth" (1986) include personal accounts of the plate tectonic revolution from Edward Bullard, Maurice Ewing, Bruce Heezen, Harry Hess, Tanya Atwater, Clem Chase, Allan Cox, Robert Dietz, Roger Larson, and Tuzo Wilson. The collection contains transcripts of five interviews with Bruce Heezen by Marie Tharp and John Lear in preparation for a book on Heezen and his conflicts with colleagues. Included are Heezen's own hand-written notes on his relationship with Hess. Also included are: an oral history interview by Harold Burstyn in 1981, focussed on Menard's career, and an interview by Henry Frankel in 1978 for his paper "The development of H. W. Menard's various hypotheses concerning seafloor evolution."