Participation by small business enterprises. Archeological and paleontological salvage. Cooperation with Federal and State agencies and foreign countries. Cooperation with other American Republics. Civil Defense 311.
Highway improvements strategically important to the national defense.
Detail of Army, Navy, and Air Force officers. Relief of employees in hazardous work. Rules, regulations, and recommendations. Consent by United States to conveyance of property. Appropriation for highway purposes of lands or interests in lands owned by the United States.