Title taken from caption. Caption reads in its entirety: "A residual mass of porphyritic granite on the ridge just north of Surprise Creek camp near monument 42, showing the more rounding effects of wind erosion. June 21, 1911."
Image appears identical to uaa-hmc-0166-b1-13-2-5. Caption for that image reads: "A residual mass of porphyritic granite on the ridge just north of Surprise Creek camp near monument 42, showing the more rounding effects of wind erosion. June 21,...