Cover Image

Family tree of the national park system : a chart with accompanying text designed to illustrate the growth of the national park system, 1872-1972 /

Bibliographic Details
Main Author: Lee, Ronald F.
Format: Book
Language:English
Published: Philadelphia : Eastern National Park & Monument Association, 1972.
Subjects:
National parks and reserves > United States.
United States. > National Park Service.
Historic sites > United States.
Description
Physical Description:93 pages : illustrations (folded in pocket) ; 24 cm.