Image no. BB0201: Sandstone Egg. Nov. 14, 2015. Mamiya 645AFD, 45mm, Fujichrome Velvia 100. Image specs: 6480 × 4853 pixels, 94.4 MB file size.
Located on BLM-managed land in New Mexico called the Bisti Badlands or Bisti/De-Na-Zin Wilderness.