Page:United States Statutes at Large Volume 88 Part 1.djvu/65

 88 STAT, ]

PUBLIC LAW 93-251-MAR. 7, 1974

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Lake Texoma, Texas and Oklahoma, utilizing existing roads to the extent feasible. There is authorized to be appropriated not to exceed $3,000,000 to carry out this section. SEC. 29. The Act entitled " A n Act authorizing the city of Kock jif "[^^^i/^^^^^^;^ Island, Illinois, or its assigns, to construct, maintain, and operate a toll bridge across the Mississippi River at or near Rock Island, Illinois, and to place at or near the city of Davenport, Iowa", approved March 18, 1938 (52 Stat. 110), is amended— (1) by inserting after "to reconstruct, enlarge, and extend the approaches" in subsection (b) of the first section the following: "(including the eastern approach in Rock Island, Illinois)", (2) by inserting after "approaches" in subsection (c) of the first section the following: "(other than the eastern approach in Rock Island, Illinois)", and (3) by inserting at the end of subsection (c) of the first section the following: "The reconstruction, enlargement, and extension of the eastern approach in Rock Island, Illinois, to such bridge pursuant to subsection (b) of this section shall be commenced not later than December 1, 1974, and shall be completed before December 1, 1977.". SEC. 30. The project for enlargement of Lavon Reservoir on the ^(,'^^^'^"1^"*'" East Fork of the Trinity River, Texas, authorized by the Flood Con- Rive'r, Tex., trol Act of 1962, is hereby modified to authorize the Secretary of project modificathe Army, acting through the Chief of Engineers, to provide a cross- ^ye'Stat. iiss. ing and approaches at Tiekey Creek and suitable surfacing to permit all-weather use of Collin County Road 115, at a cost not to exceed $800,000. SEC. 31. The project for the Atlantic coast of Long Island, Fire ^ Y°"Jo^eTt'^' Island Inlet to Montauk Point, New York, authorized in section 101 modification. of the River and Harbor Act of 1960, is hereby modified to provide ^"^ ^*^*- '*^°that non-Federal interests shall (1) contribute 30 per centum of the first cost of the project, including the value of lands, easements, and rights-of-way; (2) hold and save the United States free from damages due to the construction works; and (3) maintain and operate the improvements in accordance with regulations prescribed by the Secretary of the Army. SEC. 32. (a) This section may be cited as the "Streambank Erosion Er^olToTcon^roi Control Evaluation and Demonstration Act of 1974". Evaluauon and (b) The Secretary of the Army, acting through the Chief of Engi- Demonstration Act neers, is authorized and directed to establish and conduct for a period °yationai streamof five fiscal years a national streambank erosion prevention and con- bank erosion pretrol demonstration program. The program shall consist of (1) an J'rofdemonstra°t'ion evaluation of the extent of streambank erosion on navigable rivers program. and their tributaries; (2) development of new methods and tech-^jj^ ^^^ 1962d-s niques for bank protection, research on soil stability, and identification of the causes of erosion; (3) a report to the Congress on the results nf^^r7V° of such studies and the recommendations of the Secretary of the Army °"^''^^^" on means for the prevention and correction of streambank erosion; and (4) demonstration projects, including bank protection works. (c) Demonstration projects authorized by this section shall be undertaken on streams selected to reflect a variety of geographical and environmental conditions, including streams with naturally occurring erosion problems and streams with erosion caused or increased by manmade structures or activities. A t a minimum, demonstration projects Project sites. shall be conducted at multiple sites on— (1) the Ohio River; (2) that reach of the Missouri River between Fort Randall Dam, South Dakota, and Sioux City, Iowa;

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