Cover image for The national park system plan.
The national park system plan.
Title:
The national park system plan.
Author:
United States. National Park Service.
Publication Information:
[Washington], [publisher not identified], 1972.
Physical Description:
2 volumes : illustrations ; 27 cm
Language:
English
Contents:
pt. 1. History.--pt. 2. Natural history.
Format :
Book