CHAPTER 4 APPENDIX
Appendix 4-1	Iowa DOT Warehouse Stock Numbers for Surveying Supplies
Appendix 4-2	National Geodetic Survey Markers
Appendix 4-3	U.S. Geological Survey Markers
Appendix 4-4	RESERVED FOR FUTURE USE
Appendix 4-5	Figure 1.  Reference Points for Two-Lane Roadway
	Figure 2.  Reference Points on a Curve
	Figure 3.  Reference Points for Divided Highway
	Figure 4.  Reference Points at Intersection
Appendix 4-6	Figure 5.  Reference Points Placed in Sidewalks
	Figure 6.  Reference Points for Land Corners
	Figure 7.  Reference Points Using Total Station Instruments