Washington, D.C.: October 13, 1927 Heinz Gruner of the U.S. Geological Survey doing experimental trials of an aerocartograph to do topographic mapping with aerial images
RMID:Image ID:2R9C65R
Image details
Contributor:
Underwood Archives, Inc / Alamy Stock PhotoImage ID:
2R9C65RFile size:
56.8 MB (1.9 MB Compressed download)Releases:
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3894 x 5100 px | 33 x 43.2 cm | 13 x 17 inches | 300dpiDate taken:
13 October 1927Photographer:
Underwood ArchivesMore information:
This image could have imperfections as it’s either historical or reportage.