| I. Review
II. Buy existing Coverage
III. Contracting for New Coverage
IV. Do-It-Yourself
References: Paine, D.P., 1981, Aerial Photography and Image Interpretation for Resource Management, New York, John Wiley and Sons, pp. 101- 128. Thompson, M. (ed.) 1966, Manual of Photogrammetry, 3rd ed., Falls Church, Va., American Society of Photogrammetry, pp. 218-238. |