Delaware and Lehigh National Heritage Corridor Act Amendments of 1998

Delaware and Lehigh National Heritage Corridor Act Amendments of 1998 - Amends the Delaware and Lehigh Navigation Canal National Heritage Corridor Act of 1988 to change the name of the Delaware and Lehigh Navigation Canal National Heritage Corridor to the Delaware and Lehigh National Heritage Corridor. Includes among the Act's purposes enhancing economic development within the context of preservation. Modifies provisions regarding: (1) membership of, terms of office for, and confirmation of appointment to the Delaware and Lehigh National Corridor Commission; and (2) powers of the Commission to authorize the conveyance of real property acquired by the Commission to an appropriate nonprofit organization, to enter into cooperative agreements with a nonprofit organization, and to require any cooperative agreement to establish procedures for providing notice to the Commission of any action proposed by a nonprofit organization which may affect implementation of the Cultural Heritage and Corridor Management Plan. Authorizes the Commission to administer any grant or loan from amounts appropriated, donated, or otherwise made available to the Commission for the purpose of providing a grant or loan. Directs the Commission to implement the Plan by taking appropriate steps to preserve and interpret the cultural, natural, recreational, and scenic (currently, limited to historic) resources of the Canal and its surrounding area. Terminates the Commission ten years after the date of this Act's enactment. Requires specified actions by any Federal entity conducting or supporting activities directly affecting the historic, cultural, natural, recreational, or scenic resources of the Corridor (currently, the flow of the Canal or the natural resources of the Corridor). Reauthorizes and increases appropriations under the Act. Authorizes specified funds to implement the management action plan created by the Commission. Prohibits the Commission from interfering with private property rights or any local zoning ordinance or land use plan of the Commonwealth of Pennsylvania or any political subdivision thereof.