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Bird migration in the Americas /

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Bibliographic Details
Corporate Author: National Geographic Society (U.S.). Cartographic Division
Other Authors: Darley, Richard J., Shupe, John F., Dorr, John F., Teringo, J. Robert, Wahll, Andrew J.
Format: Map
Language:English
Published: Washington, D.C. : The Society, [1979]
Subjects:
Birds > Migration > America > Maps.
America > Maps.
America > Maps, Physical.
Description
Item Description:Relief shown by shading.
"Supplement to the National Geographic, August 1979, page 154A, volume 156, number 2--Bird migration."
Includes text, indexed map of "Ocean migrants," indexed col. ill. of birds, and index of birds by type.
On verso: The Americas, 1:20,000,000.--Physical map of the Americas, 1:55,870,000.
Cartographic material.
Physical Description:1 map : color ; on sheet 91 x 58 cm. folded to 23 x 15 cm.