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

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

File:Olivine basalt (Cedar Canyon, Iron County, Utah, USA) 4 (48680496867). jpg - Wikimedia Commons

Lunar Meteorite: Northwest Africa 7022, Some Meteorite Information

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

Major limestone quarry proposed for Parleys Canyon

Limestone - Wikipedia

ECOLOGY AND PALEOECOLOGY OF THE UPPER GUNNISON BASIN, COLORADO

Limestone - Wikipedia

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

Canyon - Wikipedia

Paleoclimate and the origin of two 1000 km Lower Mississippian facies tracts in southeastern Laurentia (USA): Cool-humid Famennian and Kinderhookian – warm-arid Osagean - ScienceDirect