106 STAT. 4842 PUBLIC LAW 102-580—OCT. 31, 1992 a report on the results of the study conducted under this subsection. (c) AUTHORIZATION OF APPROPRIATIONS.— T here is authorized to be appropriated $1,000,000 to carry out this section. Such sums shall remain available until expended. SEC. 309. ADDITIONAL STUDIES. (a) OHIO RIVER AND TRIBUTARIES. — (1) STUDY. —The Secretary shall review the report of the Chief of Engineers on the Ohio River and Tributaries, published as House Document 306, 74th Congress, 1st Session, and other pertinent reports to determine whether modifications of the recommendations contained in such report are advisable at the present time, with particular reference to improvements for water and related land resource needs, including abatement of acid mine drainage in Wheeling Creek, Glenns Rim, Little Short Creek, and Yellow Creek in Belmont and Jefferson Counties, Ohio. (2) AUTHORIZATION OF APPROPRIATIONS.— There is authorized to be appropriated to carry out this subsection $500,000 for fiscal years beginning after iSeptember 30, 1992. Such sums shall remain available until expended. (b) COASTAL PROTECTION STUDY.— (1) STUDY. — The Secretary shall conduct a study of the economic benefits of Federal and significant non-Federal shore protection activities in the Mid-Atlantic region from New York to Virginia. In conducting such study, the Secretary shall assess— (A) the public investment in such activities; (B) damage incurred by such shore protection activities by coastal storms of October 1991 and January 1992; (C) the prevention of damage by coastal storms of October 1991 and January 1992 to coastal and upland resources, including public and private properties and other economic activities, as a result of such shore protection activities; and (D) the extent to which the prevention of damage to coastal and upland resources, including public and private properties and other economic activities, is considered in benefit-cost ratios for shore protection activities. (2) REPORT. —Not later than 1 year after the date of the enactment of this Act, the Secretary shall transmit to the Committee on Environment and Public Works of the Senate and the Committee on Public Works and Transportation of the House of Representatives a report containing the findings of the Secretary with respect to the study conducted under this subsection. (c) HARRISON COUNTY, MISSISSIPPI. — (1) STUDY. —The Secretary is authorized to enter into a memorandum of understanding with the Secretary of Agriculture for the purpose of studying problems associated with flooding in Harrison County, Mississippi. Under the memorandimi oiunderstanding, the Secretary and the Secretary of Agriculture will jointly conduct a reconnaissance study of Harrison County, Mississippi, and the following bodies of water and associated watersheds: (A) Wolf River.