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Show 123 However, it should be noted here that, in addition to examin- ing and deciding differences arising on the boundary portions of the Rio Grande and Colorado River, the Commission also has responsibilities concerning the construction of projects. Under the Treaty of February 3, 1944, between the United States and Mexico, the following order of preference is pre- scribed as a guide in matters in which the Commission may be called upon to make provision for joint use of international waters:2T0 1. Domestic and municipal uses. 2. Agriculture and stock raising. 3. Electric power. 4. Other industrial uses. 5. Navigation. 6. Fishing and hunting. 7. Any other beneficial uses which may be determined by the Commission. Summary Navigation has always been a principal use of navigable waters. Exercising its extensive authority over commerce in the interests of navigation, Congress has enacted numerous laws concerning the use, improvement, and protection of navi- gable waters. Use.-Domestic transportation by water has been a matter of national concern from the beginning of our history. To assure free transportation use, tolls have long been prohibited at federal navigation works and at nonfederal works approved by the Secretary of the Army. Congress has also declared a policy that municipally owned terminals be provided at harbors or navigable waters. Provision is made for collection of statis- tics on water-borne commerce. In addition, many laws provide for navigation aids and rules. An example is the establishment by the Coast Guard of lighthouses, buoys, lights, radio beacons, and radio direction- finder stations. 'Art 3, 59 Stat 1219,1225. |