Original 1958 National Parks Monuments and Shrines of The United States and Canada May 1958 Atlas Plate 13

25 Inches by 19 inches
9.75" x 6.25" when folded

Back side has view of specific National Parks in 1958

Compiled and Drawn in the Cartographic Division of the National Geographic society for 
The National Geographic Magazine
Melville Bell Grosvienor, Editor
James M. Darley, Chief Cartographer
Scale 1:7,603,200 or 120 Miles to the Inch