Keywords: west virginia westvirginia united states of america unitedstatesofamerica photo border blackandwhite black and white Near the Yavapai Observation station at Grand Canyon National Park is a plaque in memorial to the late Stephen T. Mather. October 1, 1932. National Park Service photograph by George A. Grant: Negative number 803 Near the Yavapai Observation station at Grand Canyon National Park is a plaque in memorial to the late Stephen T. Mather. October 1, 1932. National Park Service photograph by George A. Grant: Negative number 803 |