Scale [ca. 1:316,800] (W 78°50ʹ00ʺ--W 78°07ʹ00ʺ/N 39°01ʹ00ʺ--N 38°00ʹ00ʺ).
Note
Relief shown by hachures and spot heights. Oriented with north toward upper left. Includes descriptive list of points of interest and 5 ancillary maps of park facilities. Text and ill. (some col.) on verso. "*GPO 1981--341-613/9."