; and (E) use contracts with the private sector, to the maximum extent practicable, to provide such products and services as are necessary to develop the cadastre. (2) Contracts considered surveying and mapping Contracts entered into under paragraph (1)(E) shall be considered surveying and mapping services as such term is used and as such contracts are awarded in accordance with the selection procedures in title IX of the Federal Property and Administrative Services Act of 1949 ( 40 U.S.C. 1101 et seq.). 3. Definitions As used in this Act, the following definitions apply: (1) Secretary The term Secretary means the Secretary of the Interior. (2) Cadastre The term cadastre means an inventory of real property of the Federal Government developed through collecting, storing, retrieving, or disseminating graphical or digital data depicting natural or man-made physical features, phenomena, or boundaries of the earth and any information related thereto, including surveys, maps, charts, satellite and airborne remote sensing data, images, and services, with services performed by professionals such as surveyors, photogrammetrists, hydrographers, geodesists, cartographers, and other such services of an architectural or engineering nature including the following data layers: (A) A reference frame consisting of a current geodetic network. (B) A series of current, accurate large scale maps. (C) An existing cadastral boundary overlay delineating all cadastral parcels. (D) A system for indexing and identifying each cadastral parcel. (E) A series of land data files, each including the parcel identifier, which can be used to retrieve information and cross reference between and among other existing data files, which may contain information about the use, assets and infrastructure of each parcel. (3) Real property The term real property means real estate consisting of land, buildings, crops, forests, or other resources still attached to or within the land or improvements or fixtures permanently attached to the land or a structure on