Image: Proctor Mars Map
Description: An early map of the planet Mars, by Richard A. Proctor
Title: Proctor Mars Map
Credit: Between pages 86 and 87 of Other Worlds than Ours, fourth edition
Author: Richard A. Proctor
Permission: This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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