1. Short title This Act may be cited as the Great Lakes Mapping Act . 2. Mapping the lakebeds of the Great Lakes in high resolution (a) High-Resolution lakebed mapping Not later than December 31, 2029, the Administrator of the National Oceanic and Atmospheric Administration (referred to in this section as the Administrator ) shall, in consultation with relevant State entities, the Ocean Policy Committee, the Integrated Coastal and Ocean Observing System, regional coastal observing systems, and any other relevant entity (as determined by the Administrator) carry out an effort (referred to in this section as the mapping effort ) to map, in high resolution, the lakebeds of the Great Lakes that includes— (1) completing a high-resolution map of the lakebeds of the Great Lakes; (2) collecting high-resolution bathymetric data about the lakebeds of the Great Lakes; (3) developing and implementing a method to process the bathymetric data and other information collected during the mapping effort; (4) creating a system— (A) to catalog bathymetric data and other information regarding the lakebeds of the Great Lakes that the Administrator or the Ocean Policy Committee possess or have access to independent of the mapping effort or as a result of the mapping effort; and (B) by using, to the extent practicable, any system, technology, or cyberinfrastructure available to the Administrator and the Ocean Policy Committee as of the date of the enactment of this Act before purchasing any new system, technology, or cyberinfrastructure to complete the system