82 STAT. ]
PUBLIC LAW 90-483-AUG. 13, 1968
735
and shorelines where significant erosion occurs; (2) identifying those areas where erosion presents a serious problem because the rate of erosion, considered in conjunction with economic, industrial, recreational, agricultural, navigational, demographic, ecological, and other relevant factors, indicates that action to halt such erosion may be justified; (3) describing generally the most suitable type of remedial action for those areas that have a serious erosion problem; (4) providing preliminary cost estimates for such remedial action; (5) recommending priorities among the serious problem areas for action to stop erosion; (6) providing State and local authorities with information and recommendations to assist the creation and implementation of State and local coast and shoreline erosion programs; (7) developing recommended guidelines for land use regulation in coastal areas taking into consideration all relevant factors; and (8) identifying coastal areas where title uncertainty exists. The Secretary of the Army shall submit f^^"""*'° '^"" to the Congress as soon as practicable, but not later than three years after the date of enactment of this Act, the results of such appraisal investigation and study, together with his recommendations. The views of concerned local. State, and Federal authorities and interests will be taken into account in making such appraisal investigation and study. (b) There are authorized to be appropriated such amounts, not to ex- Appropriation. ceed $1,000;(X)0, as may be necessary to carry out the provisions of this section. SEC. 107. That the projects for the Illinois Waterway and Grand Calumet River, Illinois and Indiana ((^alumet-Sag navigation project), authorized by the River and Harbor Act of July 24, 1946, are ^° ^*^'- ^3'*hereby modified substantially in accordance with the recommendations of the Chief of Engineers in House Document Numbered 45, Eightyfiftli Congress, insofar as such recommendations apply to existing highway bridges in Part II: Grand Calumet River and Indiana Harbor Canal, at an estimated cost of $33,265,000. SEC. 108. (a) Steele Bayou, in Warren, Issaquena, Sharkey, and Washington Counties, Mississippi, Washington Bayou, in Issaquena and Washington Counties, Mississippi, and Lake Washington, in Washington County, Mississippi, are hereby declared to be nonnavigable within the meaning of the laws of the United States. (b) The project for navigation on Steele Bayou, Washington Bayou, and Lake Washington, authorized by the Rivers and Harbors Acts of July 5, 1884, August 5, 1886, and June 25, 1910, is hereby deauthorized. a/staJ^aio^-^' SEC. 109. Section 313 of the Act approved October 27, 1965 (79 Stat. 36 stat! eao! 1073), is amended by deleting the date "June 30, 1968" and substituting in lieu thereof "'June 30, 1969. SEC. 110. The Secretary of the Army, acting through the Chief of BiacrRilers""' Engineers, is authorized and directed to reA'iew the requirements of local cooperation for the Ouachita and Black Rivers navigation projects, authorized by the River and Harbor Act of 1950, as amended, with ^'^ ^'^'- ^^3particular reference to Federal and non-P>deral cost sharing, and he shall report the findings of such review to Congress within one year • Report to conafter the date of enactment of this Act. ^^^ SEC. 111. The Secretary of the Army, acting through the Chief of shore damage Engineers, is authorized to investigate, study, and construct projects P'"^^"°" ^'^"^yfor the prevention or mitigation of shore damages attributable to Federal navigation works. The cost of installing, operating, and maintaining.such projects shall be borne entirely by the United States. No such project shall be constructed without specific authorization by Congress if the estimated first cost exceeds $1,000,000. SEC. 112. Section 111 of the River and Harbor Act of 1966 (80 Stat. chlnne'r^D°c 1417) is amended by adding at the end thereof the following: study"^ " (g) The Secretary of the Interior shall conduct a study of those areas in the vicinity of the Washington Channel in the District of
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