; (2) the results of the activities of the Committee under this section; (3) the extent to which any recommendations of the Advisory Committee under subsection (d)(3)(A) have been implemented; (4) the grants provided under this section during that preceding calendar year, including a description of— (A) each activity carried out using such a grant; and (B) the results of those activities; and (5) for each significant landslide event in the United States during that preceding calendar year— (A) a description of the landslide event and the implications of the event on communities, including life and property; (B) recommendations on how the identification of the landslide risk could have been improved prior to the event; (C) a description of the effectiveness of any warning and risk communication, including the dissemination of warnings by State, local, and tribal partners in the affected area; (D) recommendations to improve risk identification, reduction, and communication to landowners and local governments; (E) recommendations to improve landslide hazard preparedness and emergency response activities under this section; and (F) such other findings as the Secretary determines appropriate. 4. Ground subsidence As the Secretary determines to be appropriate and subject to appropriations, the Secretary, through existing programs, shall advance the identification, mapping, research, and monitoring of subsidence and groundwater resource accounting, particularly in areas affected by drought. 5. 3D Elevation Program (a) Establishment of 3D elevation program (1) In general The Secretary shall establish a program, to be known as the 3D Elevation Program — (A) to provide 3D elevation data coverage for the United States; (B) to coordinate and facilitate the collection, dissemination, and use of 3D elevation data among Federal departments and agencies and non-Federal entities; (C) to produce standard, publicly accessible 3D elevation data products for the United States