Description: Papers of Thomas Hampton Thornburn '38, professor of civil engineering (1948-75); including correspondence, photographs, reports, data sheets and related material about soil mechanics; soil manuals (1949-75) and mapping (1950-63); soil test; chemical stabilization of soils (1958-72); rock mechanics (1971-73); railroad roadbed stabilization (1946-56); photogrammetry (1946-66); county soil reports (1950-66); Illinois highway research (1950-74); Civil Engineering Department Committees, awards and courses; College of Engineering, Social-Science Subcommittee (1962-70); American Society of Civil Engineers Committee on Engineering Geology (2955-68) and American Society for Testing & Materials subcommittee reports (1947-74), and the Illinois society of Professional Engineers (1955-62).