Description: Papers of Walter D. Lembke, Professor of Agricultural Engineering (1968-87) includes biographical sketch, "Through the Years with the Department of Agronomy" (1960), research reprints regarding irrigation design, a memorial for Professor H. Paul Bateman (1997) and photographs of Farm Structures Refresher Course (1946), Tilt-Up Meeting at Texas A & M (1957), and construction of the Agricultural Engineering Building (1981-83).