Ancient Pueblo-Anasazi rock art – New Mexico. © Ira Block via fineartamerica.com.
The caption of a photography by Charles Mann says:
A dramatic wide-eyed shield man occupies a spot high on a volcanic ridge overlooking the Galesteo River Basin near the village of Galesteo, New Mexico, a few miles from Santa Fe.
So the map points to the volcanic ridge called El Crestón:
Of this specific petroglyph, Wikipedia says:
A Southern Tewa (Tano) anthropomorphic figure with rattle, petroglyph in the Galisteo Basin, a major Tano homeland prior to the Pueblo Revolt of 1680.
See more on the Galisteo Basin sites here:
Most images are stylistically and iconographically consistent with Rio Grande Classic or Pueblo IV period, dating to about the 1300s to the early or mid-1500s. Of all the human-made marks on the dike, 4,235 were thought to be prehistoric.