File:The World areas covered by Commercial Air Routes.jpg

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The World areas covered by Commercial Air Routes in 1925

Summary

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Description
English: The World areas covered by Commercial Air Routes, shown in black, in 1925
Date
Source https://babel.hathitrust.org/cgi/pt?id=mdp.39015023148458
Author Francis J. Field

Licensing

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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current00:34, 2 January 2021Thumbnail for version as of 00:34, 2 January 20212,070 × 1,290 (1.1 MB)Zoozaz1 (talk | contribs)Uploaded a work by Francis J. Field from https://babel.hathitrust.org/cgi/pt?id=mdp.39015023148458 with UploadWizard

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