Appendix B (Table B1). Historical aerial photography. The years, scale, type, and sources of the photo series used in the GIS analysis.
| Year | |||||
| 1939 | US Department of Interior Geological Survey | ||||
| 1950 | University of Washington Maps Collection | ||||
| 1052 | Olympic National Park | ||||
| 1954 | Olympic National Park | ||||
| 1962 | University of Washington Maps Collection | ||||
| 1968 | Olympic National Park | ||||
| 1973 | University of Washington Maps Collection | ||||
| 1976 | Olympic National Park | ||||
| 1981 | University of Washington Maps Collection | ||||
| 1990 | US National Aerial Photography Program | ||||
| 1993 | RJ. Naiman | ||||
| 1994 | US National Aerial Photography Program | ||||
| 1996 | Walker and Associates, Seattle, and RJ. Naiman | ||||
| 1997 | Washington State Department of Transportation | ||||
| 2000 | Washington State Department of Natural Resources | ||||
| 2002 | US Army Corps of Engineers | ||||