Intricate honeycombs of weathered sandstone decorate Crack Canyon, on federal BLM land in San Rafael Swell, near Goblin Valley State Park, Utah, USA. Honeycomb weathering: rainwater soaks into sandstone, dissolves its cement, and redeposits it near the surface as the water evaporates, forming a resistant outer layer, pockmarked with holes into the soft inner layers enlarged by wind and moisture. The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior that administers American public lands.
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