571—28.2 (321G) Purpose and intent. This program provides funds from snowmobile and all-terrain vehicle registrations to political subdivisions and incorporated private organizations for the acquisition of land; development and maintenance of snowmobile trails and all-terrain vehicle areas and trails; and facilities for such use on lands which may be in other than state ownership. This chapter is intended to clarify procedures used in implementing agreements under Iowa Code section 321G.7 between the department and sponsors, and the authority of the director of the department. All areas, trails and facilities established or maintained using revenues under this program shall be open to use by the general public.