From the press release:
MIAC Unveils Lifeways of the Southern Athabaskans, Sunday, December 10, 2017
Credit: Photograph by Carl Werntz, 1900? Courtesy Palace of the Governors Photo Archive (NMHM/DCA), Neg. No. 037417.
Note: Representative image at left is often cropped for display purposes. Downloaded high-resolution images are not cropped.