Not in Position to Give Up the Chase
The Development of the Industrial United States (1870-1900)
A National Archives Foundation educational resource using primary sources from the National Archives

View the full document here: https://docsteach.org/document/grand-canyon-of-the-colorado-river-at-the-foot-of-the-toroweap-arizona-gsa-no-151-grand-canyon-national-park-old-no-80-and-151-unidentified-man-on-top-at-left-see-also-no-61-76-same-as-66-on-a-small-s/
This primary source comes from the Records of the U.S. Geological Survey.
National Archives Identifier: 517739
Full Citation: Grand Canyon of the Colorado River at the foot of the Toroweap, Arizona. G.S.A. No. 151 Grand Canyon National Park. Old No. 80 and 151. Unidentified man on top at left. See also No. 61. 76 same as 66; 1871 – 1878; Records of the U.S. Geological Survey, Record Group 57. [Online Version, https://docsteach.org/document/grand-canyon-of-the-colorado-river-at-the-foot-of-the-toroweap-arizona-gsa-no-151-grand-canyon-national-park-old-no-80-and-151-unidentified-man-on-top-at-left-see-also-no-61-76-same-as-66-on-a-small-s/, April 4, 2026]
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