dwellings close up nestled within iron oxide cross bedded sandstone

abandoned aeolian american ancient apache archaeology arizona astonishing austere barren bedded bedrock blue canyon chelly cliff colorful contrasts corners county cross deep delineate desert discoloration dunes dwellings economy epitome erosion face four geologic geology guide indian iron lithification lithified local monument nation national native navajo nestled nps ochre oxidation oxide park patina patterns peoples perch process protected pueblo rampart red rocks root rust sand sandstone service sharply slopes steep tourism umber unyielding vibrant visit wedging west western