14089940 - Crustose lichens making a pattern on a sandstone boulder in the desert near Moab, Utah.14092239 - Crustose lichens making a pattern on a sandstone boulder in the desert near Moab, Utah.14125388 - A zig-zag pattern in the eroded Aztec sandstone of Valley of Fire State Park in Nevada.14124352 - Colorful eroded Navajo sandstone in the White Pocket Recreation Area, Vermilion Cliffs National Monument, Arizona. Displaced fault lines are evident in the pattern.13881321 - Zebra like stripe pattern on the sandstone cliffs in the Boneyard region of North Coyote Buttes.70485931 - 'Unique Pattern In The Sandstone; Arizona, United States of America'70523794 - Sandstone pattern under clouds, Gold Butte, Nevada, United States of America, North America
