575—2.1 (465C) General provisions.
	 2.1(1) Definitions. As used in these rules, the following definitions shall apply:
“Articles of dedication” means those terms described in Iowa Code section 465C.9.
“Board” means the state preserves advisory board.
“Commission” means the natural resource commission.
“Department” means the department of natural resources.
“Director” means director of the department of natural resources.
“Preserve” means the same as defined in Iowa Code section 465C.1.
	 2.1(2) Types of preserves. There shall be five major classes of preserves.
	  a.   	 Natural preserves. These areas contain natural communities, habitats, native flora and fauna, or endangered, threatened, or rare organisms.
	  b.   	 Archaeological preserves. These areas contain significant deposits left by prehistoric or early historic peoples.
	  c.   	 Historical preserves. These are sites that contain structures or places that are of significance in studying the tenure of humans in Iowa since the advent of the first Euro-American explorers.
	  d.   	 Geological preserves. These are areas which contain rare or distinctive landforms, fossils, stratigraphic sections, mineral deposits or examples of mining history; type or reference sections; or other special features or deposits which represent the events and processes of Iowa’s earth history.
	  e.   	 Scenic preserves. These are areas that contain scenic features of aesthetic, scientific, or educational value.