(A)   (1)   A mineral extraction area, borrow pit, or topsoil removal area (including storage area), industrial waste facility, penal or correctional institution, public or commercial sewage disposal plant, sales barn for livestock resale, slaughterhouse, truck freight terminal, or wholesale produce terminal may not be located closer to an R-1, R-2, R-3, or IR district than 750 feet. 
      (2)   A junk yard may not be located closer to this type of district than 1,320 feet. 
      (3)   All these uses may further require a greenbelt or buffering as specified by the Board.
   (B)   Mining of sand, gravel, topsoil, peat, or other aggregate shall be located no nearer than 200 feet from a residential district boundary line, and these operations and uses shall not be nearer than 50 feet from any lot line.  A plan for land improvements approved by the Board of Zoning Appeals may be required.  Plans may include a contour map of land prior to establishing the use, boundary lines of acres to be excavated, and locations of vehicular ingress and egress and artificial lighting installations, if any; also plans for grading, seeding, and landscape improve- ments to be completed upon termination of the use.  Buildings, structures, and equipment for screening, crushing, or washing, shall not be allowed except as specifically authorized by the Board of Zoning Appeals.
   (C)   Whenever approval for the mining of sand, gravel, topsoil, peat, or other aggregates is given by the Board of Zoning Appeals, the petitioner shall post a bond with the county to insure land reclamation after the mining operation ceases.  The amount of the bond shall be set by the Board of Zoning Appeals at an amount sufficient to provide funds for grading, seeding, landscaping, and any other improvements necessary to restore the natural character of the land.  The bond shall be any form of security including a cash deposit, surety bond, property, or instrument of credit in an amount and form satisfactory to the Commission.
   (D)   Junk yards or automobile wrecking yards may be permitted by the Board of Zoning Appeals after publication of notice and hearing, provided that they shall be located no closer than 1,320 feet from an existing street, road, or highway and adjoining neighbor, and provided that before a permit is issued, the junk yard shall be screened so that it is not visible from the street, road, and adjoining neighbors.
(`88 Code, § 8-12)  (Ord. 98-20, passed 11-10-98)