Public Law 74–7

That there is hereby authorized to be appropriated, in addition to amounts heretofore authorized to be appropriated, the sum of $60,000 to defray the expenses of the American section, International Boundary Commission, United States and Mexico, in the conduct of an engineering investigation, study, and report to the Secretary of State to determine the feasibility and best means of effecting the canalization of the Rio Grande from the Caballo Reservoir site in New Mexico to the international diversion dam near El Paso, Texas, in order to facilitate Federal control of the channel of the Rio Grande and compliance by the United States with its obligations to deliver at said international diversion dam water to Mexico pursuant to the convention concluded May 21, 1906, providing for the equitable distribution of

Vol. 34, p. 2953.

waters of the Rio Grande for irrigation purposes, including salaries and wages; fees for professional services; rents, travel expenses: per diem in lieu of actual expenses for subsistence; printing and binding; purchase, exchange, maintenance, repair, and operation of motor-propelled passenger- and freight-carrying vehicles ; telephone, telegraphic, and air-mail communications; ice, equipment, supplies, and materials and other such miscellaneous expenses as the Secretary of State may deem necessary properly to carry out the investigation.