National Geographic Magazine/Volume 1/Number 3

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Vol. I.
No. 3.

THE

NATIONAL GEOGRAPHIC

MAGAZINE.

PUBLISHED BY THE

NATIONAL GEOGRAPHIC SOCIETY.

WASHINGTON, D. C.

Price 50 cents.

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Contents.

Page
The Rivers and Valleys of Pennsylvania: William Morris Davis 183
(Illustrated by one map and twenty-five cuts.)
Topographic Models: Cosmos Mindeleff 254
(Illustrated by two plates.)
National Geographic Society—Abstract of Minutes 269
International Literary Contest to be held at Madrid, Spain 273
July, 1889



Press of Tuttle, Morehouse & Taylor, New Haven, Conn.

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