; and (B) modifications to non-Federal, publicly owned levees in the Lower Missouri River Basin. (2) Exception If the Secretary determines that expanding the scope of the Lower Missouri Basin study as provided in paragraph (1) is not practicable, and the non-Federal interest for such study concurs in such determination, the Secretary shall carry out such additional studies as are necessary to investigate the modifications described in paragraph (1). (3) Continuation of Lower Missouri Basin study The following studies shall be considered a continuation of the Lower Missouri Basin study: (A) Any additional study carried out under paragraph (2). (B) Any study recommended to be carried out in a report that the Chief of Engineers prepares for the Lower Missouri Basin study. (C) Any study recommended to be carried out in a report that the Chief of Engineers prepares for an additional study carried out under paragraph (2). (D) Any study spun off from the Lower Missouri Basin study before the completion of such study. (E) Any study spun off from an additional study carried out under paragraph (2) before the completion of such additional study. (4) Reliance on existing information In carrying out any study described in or authorized by this section, the Secretary, to the extent practicable, shall rely on existing data and analysis, including data and analysis prepared under section 22 of the Water Resources Development Act of 1974 ( 42 U.S.C. 1962d–16 ). (5) Consideration; consultation In developing recommendations under paragraph (1), the Secretary shall— (A) consider the use of— (i) structural and nonstructural measures, including the setting back of levees and removing structures from areas of recurring flood vulnerability, where advantageous, to reduce flood risk and damages in the Lower Missouri River Basin; and (ii) where such features are locally acceptable, natural features or nature-based features (as such terms are defined in section 1184 of the Water Resources Development Act of 2016 ( 33 U.S.C. 2289a )