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

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

Geologic Sections through the Lake City Limestone in Citrus and Levy Counties, 1951

Geolex — Williston publications

Revisiting the Mysterious Moki Queen

Major limestone quarry proposed for Parleys Canyon

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

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

Mosaic canyon hi-res stock photography and images - Alamy

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

Kings Canyon High Basin Route: Section 6

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

Geolex — Yogo publications