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File:Mississipian Limestone Mackay Blaze Canyon (23657287346).jpg - Wikipedia

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Roberts Lake Syncline mafic lavas (NE Superior craton): A proposed extension of the Cape Smith belt - ScienceDirect

Lunar Meteorite: Northwest Africa 773 clan, Some Meteorite Information

KGS--Bull. 206, part 1--Carbonate Facies of the Swope Limestone Formation, Southeast Kansas

Atlas of slope, shelfbreak gullies, and submarine canyons - Geological Digressions

Ivie Creek Petroglyphs

Species: Uraninite var. Pitchblende, Chalcocite, Locality: Mi Vida Mine (?), Lisbon Valley Mining District, San Juan County, Utah, USA, Dimensions

Uraninite var. Pitchblende, Chalcocite: Mi Vida Mine (?), San Juan County, Utah, USA

Geomorphic history of Lake Manix, Mojave Desert, California: Evolution of a complex terminal lake basin - ScienceDirect

Mosaic canyon hi-res stock photography and images - Alamy

File:Columnar-jointed rhyolitic obsidian lava flow (Roaring Mountain Member, Plateau Rhyolite, Upper Pleistocene, ~59 ka; Obsidian Cliff, Yellowstone, Wyoming, USA) 5 (46817937031).jpg - Wikimedia Commons

False Kiva Petroglyphs

Canyon - Wikipedia