Image: 11903A LO with Heliograph CA 1912 (22762702845)
Size of this preview: 800 × 534 pixels. Other resolutions: 320 × 214 pixels | 2,820 × 1,884 pixels.
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Description: 11903A LO with Heliograph CA 1912
Title: 11903A LO with Heliograph CA 1912 (22762702845)
Credit: 11903A LO with Heliograph CA 1912
Author: U.S. Forest Service- Pacific Northwest Region
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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