CFR > Title 7 - Agriculture > SUBTITLE B—Regulations of the Department of Agriculture > CHAPTER VI—NATURAL RESOURCES CONSERVATION SERVICE, DEPARTMENT OF AGRICULTURE (parts 600 to 663) > SUBCHAPTER F—SUPPORT ACTIVITIES (parts 650 to 658) > PART 657—PRIME AND UNIQUE FARMLANDS > SUBPART A—Important Farmlands Inventory (§657.1 to §657.5)