104 STAT. 4618 PUBLIC LAW 101-640—NOV. 28, 1990 proved August 14, 1953 (67 Stat. 583), is amended by striking "in an amount not to exceed 13,000 acre-feet annually". (cc) ROANOKE RIVER UPPER BASIN, VIRGINIA.— The flood control project for Roanoke River Upper Basin, Virginia, is modified— (1) to provide that, notwithstanding section 215 of the Flood Control Act of 1968 (82 Stat. 747), work completed by non- Federal interests on flood protection measures at Roanoke Memorial Hospital shall be credited toward the non-Federal share of the cost of the project; and (2) to direct the Secretary, notwithstanding such section 215, to reimburse the non-Federal sponsor $700,000, an amount equal to the Federal share of the costs of such work completed by the non-Federal interests, which may be applied to the non- Federal share of the cost of the project. (dd) MCNARY LOCK AND DAM, WASHINGTON AND OREGON.— The project for McNary Lock and Dam, Second Powerhouse, Columbia River, Washington and Oregon, authorized by section 601(a) of the Water Resources Development Act of 1986 (100 Stat. 4146), is modified to direct the Secretary to construct the levee beautification portion of the project described in the Phase I General Design Memorandum: Report of the Chief of Engineers, dated June 24, 1981. In determining the new levee heights, the Secretary shall complete the feasibility studies underway for the Tri-Cities Levees, Washington, giving full consideration to the impact that present upstream reservoir storage has had in lowering water surface elevations during major floods. (ee) WISCONSIN AND FOX RIVERS, WISCONSIN.— (1) NON-FEDERAL OPERATION AND MAINTENANCE.—The navigation project for the Wisconsin and Fox Rivers, Wisconsin, authorized to be acquired pursuant to the Act entitled "An Act for the Improvement of Water Communication between the Mississippi River and Lake Michigan, by the Wisconsin and Fox Rivers", approved July 7, 1870 (16 Stat. 189), is modified to authorize the Secretary to enter into agreements with the State of Wisconsin and other non-Federal interests in such State to make operation and maintenance of such project a non-Federal responsibility. (2) NON-FEDERAL IMPOSITION OF TOLLS.—Notwithstanding section 4 of the Act entitled "An Act making appropriations for the construction, repair, and preservation of certain public works on rivers and harbors, and for other purposes", approved July 5, 1884 (33 U.S.C. 5; 23 Stat. 147), during any period in which a non-Federal interest is responsible for operation, maintenance, and repair of the project described in paragraph (1), the non- Federal interest may impose upon boats and other watercraft using the project such tolls, operating charges, and other fees as may be necessary to pay the costs incurred by the non-Federal interest in connection with the project. SEC. 103. SMALL NAVIGATION PROJECTS. The Secretary shall conduct a study for each of the following projects and, after completion of such study, shall carry out the project under section 107 of the River and Harbor Act of 1960 (33 U.S.C. 577): (1) BOLLES HARBOR, MICHIGAN. —A navigation project at the mouth of the LaPliasance Creek, Bolles Harbor, Michigan, by construction of an offshore barrier.