Scale approximately 1:170,000 (W 121°10ʹ50ʺ--W 119°51ʹ34ʺ/N 48°33ʹ02ʺ--N 47°15ʹ39ʺ).
Note
Relief shown by hachures and spot heights. Shows section lines, townships, and ranges. "Copyright 1976 by K.D.B. Enterprises Inc." Includes location map and indexes to roads and "Landmarks." Continuation of index on verso.