Constituent corresp., reports & memos-- contains extensive critiques from S.D. residents of the proposed concrete-lined channel. Examples are: Stapled packet of corresp. of constituent Janice M. Roakes, Col. Robert J. Malley (Corps of Engineers) & Congressman Wilson (May-June 1971) re/ Miss Roakes’ questions regarding the need for a flood control channel in Mission Valley; copy of constituent protest against Army Corps of Engineers project in Mission Valley & Congressman Wilson’s response (5/71); extensive collection of corresp. from constituents to Congressman Wilson & his acknowledgments (Mar.-Ap. 1971) re/ opposition to channelization of S.D. River in Mission Valley for flood control -- “The Corps of Engineers has proceeded with plans for this ugly cement monstrosity, basing rainfall limits in Los Angeles mountains, not San Diego’s” & “I am concerned that both sides are not being publicized” in the media; copy of City of San Diego Memorandum from City Manager to Mayor & City Council (3/17/71) containing the “U.S. Army Engineer District News Release, March 16, 1971,” a 7 page document; corresp. of several constituents to Congressman Wilson & to State Senator Clair Burgener (3/71) re/ opposition & complaints toward the “ugly cement monster” being proposed by the Corps of Engineers; small packet of corresp. from U.S. Army Corps of Engineers (Los Angeles District) and map of “Overflow Area and Recommended Plan of Improvement” (3/71) re/ “proposed flood control project for the San Diego River in Mission Valley” & notice of public meeting at Town & Country Convention Center, 30 March 1971; corresp. of five constituents of Congressman Wilson & Senator Clair Burgener (Feb.-Mar. 1971) re/ opposition to channelization of the S.D. River in Mission Valley & Wilson, Burgener & Corps of Engineers replies to these critiques; “Memo to Boss and file” (2/24/71) re/ “talked today with Colonel Malley . . . about . . . report from him concerning the Mission Valley Flood Meeting set for March 18; large collection of corresp. from constituents of Congressman Wilson & State Senators Schrade & Burgener (Jan.-Mar. 1971) & their responses re/ opposition to channelization of Mission Valley by most San Diegans; copy of newsclipping (S.D. Tribune, 2/7/71) promoting potential “Unlimited Use” of a concrete-lined flood control channel.