Composed of sandstone layers deposited by wind, desert streams, and an ancient sea. The Zuni Indians, whose Puebloan ancestors lived here, call it Atsinna- "place of writings on the rock". The Spaniards called it El Morro - The Headland. Anglo-Americans called it Inscription Rock.. El Morro can be found on the Zuni reservation in Ramah, New Mexico. 10-08