Maintenance of western land boundary fence project and the Rio Grande border fence project : hearing before a subcommittee of the Committee on Foreign Relations, United States Senate, Eightieth Congress, first session, on S.J. Res. 46, a joint resolution authorizing appropriations for the construction, operation, and maintenance of the western land boundary fence project and the Rio Grande border fence project, and for other purposes. March 13, 1947.

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