A collection of proposals, letters, telegrams, & news clippings. Examples are: One packet containing Great Southwest Tunnel Committee, “Proposal For Economic and Engineering Studies of the Great Southwest Tunnel Project By the U.S. Army Engineers,” March 21, 1950, with 8 pages of text & 2 foldout maps; 1 letter (12/26/52) from H. Henry Roloff (P.R. Dir., Harbor Dept., S.D. City), Congressman Wilson’s reply (1/12/53) & attached office notes re/ Roloff’s reminder to the newly elected Congressman that the “Highway 80 Imperial Valley Tunnel, is still a lusty infant,”—Wilson’s reply indicates disinterest by the Army Corps of Engineers; 3 news clipping—“Laguna Tunnel Plan Outlined—Highway Development Group Seeks $50,000 Fund for Survey of Route,” & “Council to Study Laguna Tunnel Alternatives,” Evening Tribune (3/11 & 4/1/53); 1 letter (4/24/53) from J.L. Haugh (Pres., S.D. Transit System) & Wilson’s reply (5/1/53) re/ details on Senate Bill S. 3333 (1950) “authorizing a survey for the Great Southwest Tunnel through the Laguna Mountains . . . $50,000 was included in the budget of 1950-1951 but that was cancelled when the Korean War started June 26, 1950”—Wilson indicated “no hope for an appropriation for the survey in the near future;” a letter (8/19/55) from Col. William F. Cassidy (Div. Engineer, So. Pacific Div., U.S. Army Corps of Engineers) to Congressman Wilson and copies of Corps of Engineers, U.S. Army, “Public Notice Relative To Report On Preliminary Examination On Multi-Purpose Tunnel Through Laguna Mountains, San Diego County, California” (2 pp.) & “List of Parties To Whom Division Engineer’s Public Notice was Sent . . . .” (6 pp.)—The Corps’ engineers concluded that “a survey of the proposed project at this time” was not economically justified & it lacked local support; a collection of Corps of Engineers Public Hearing Notices for Aug. & Sept. 1955 re/ the “Multipurpose Tunnel Through Laguna Mountains” & indicating that the “report is unfavorable to the improvement;” 1 letter (9/14/56) from Col. G.W. Carlson (Resident Member, Corps of Engineers) to Wilson & attached copy of “Information Sheet, Report on Multipurpose Tunnel Through Laguna Mountains . . . .” re/ public hearing to be held on Sept. 25, 1956 in Washington D.C. & background information on proposed tunnel; 1 copy of a letter (12/19/56) from Joseph Brand Colton (Attorney at Law) to Col. G.W. Carlson (Resident Engineer, Corps of Engineers) & Wilson’s letter (12/21/56) to Mr. Colton re/ Colton’s request that Col. Carlson use Congressional action under H.R. 6339 and PL 757, 81st Cong., 2nd Sess. to facilitate an engineer-ing & economic survey for the Laguna Tunnel; small packet containing 1 letter (1/4/57) from J.L. Hicklin (V.P., First National Bank) to Congressman Wilson, a copy of John E. Abbott, “Comments On [the 1954 N.Y Engineering firm,] Parsons-Brinkerhoff-Hall and MacDonald Report (4 pp.), & a copy of Great Southwest Tunnel Committee, Proposed Engineering and Economic Survey For Great Southwest Tunnel Project” March 21, 1950 (7 pp.) re/ Mr. Hicklin’s support for the tunnel project & agreement with Mr. Abbott’s critique of the engineering firm’s report; 2 letters (1/7/57) from John E. Abbott (Chairman, The Great Southwest Tunnel Project) to Congressman Wilson & to Senator Knowland re/ tunnel as tied to plan for S.D. Harbor 2nd entrance; small packet containing a telegram & letters (Jan.-Feb. 1957) from J.L. Hicklin (V.P. First National Bank), Congressman Wilson, Major General Chas. G. Hollis (Chairman, The Board of Engineers for Rivers and Harbors), Major General E.C. Itschner (Chief of Engineers) & news release re/ the concept of a multilevel tunnel through the San Diego Mts. was rejected at this time by the Board of Engineers for Rivers & Harbors; a small packet containing corresp. (Mar.-May 1957) from Congressman Wilson, C.D. Curtis (Commissioner, Bureau of Public Rds., Dept. of Commerce), John E. Abbott (S.D. Industrial Dev. Council, Inc.), & 3 page news release from the “San Diego Industrial Dev. Council” re/ background info. on tunnel proposal, local support for it, & U.S. Public Roads explanations for the engineering impractica-bility & lack of economic justification for the tunnel.