LTRMP standard operating procedures: Photointerpretation Owens, T., and K. D. Hop. 1995. Long Term Resource Monitoring Program standard operating procedures: Photointerpretation. National Biological Service, Environmental Management Technical Center, Onalaska, Wisconsin, July 1995. LTRMP 95-P008-1. 7 pp + Appendixes A and B. (NTIS #PB95-264610) ABSTRACT Guidance is provided for planning a photointerpretation project, including acquisition of materials, classification, photo preparation and interpretation, field work, and quality control. The Environmental Management Technical Center should follow these guidelines. The planning process is divided into several steps: (1) initial project scoping, which includes determining client needs; (2) project planning; (3) acquiring imagery, whether new or existing; (4) obtaining collateral data; (5) adapting a classification system, whether the system is a new one or existing classification; (6) preparing a flightline index; (7) preparing photos for interpretation; (8) field verification; (9) photointerpretation; and (10) quality control. Detailed instructions are given for each section. KEYWORDS Aerial photography, aerial photointerpretation, vegetation mapping