Excavation and findings from "tyrannosaur mass-burial site" in southern Utah
Photos from "Rainbows and Unicorns Quarry"
Fossils found in Grand Staircase Escalante National Monument indicate tyrannosaurs were social predators, not solitary.
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Mapping bones the “Rainbows and Unicorns Quarry” on Grand Staircase-Escalante National Monument. 7-29-14. IMG_0036.JPG. BLM photo courtesy of Dr. Alan Titus.Photo by: Bureau of Land Management - Utah
OLYMPUS DIGITAL CAMERAPhoto by: Bureau of Land Management - Utah
Photo by: Bureau of Land Management - Utah
OLYMPUS DIGITAL CAMERAPhoto by: Bureau of Land Management - Utah
Turtlepalooza! Turtle shells discovered at the “Rainbows and Unicorns Quarry” on Grand Staircase-Escalante National Monument. 8-3-16. DSC_0616. BLM photo courtesy of Scott Richardson.Photo by: Bureau of Land Management - Utah
Turtlepalooza! Turtle shells discovered at the “Rainbows and Unicorns Quarry” on Grand Staircase-Escalante National Monument. 8-3-16. DSC_0615. BLM photo courtesy of Dr. Alan Titus.Photo by: Bureau of Land Management - Utah
Photo by: Bureau of Land Management - Utah
Sunset at the Rainbows and Unicorns Quarry on Grand Staircase-Escalante National Monument. IMG_00136. 9-30-15. BLM photo courtesy of Dr. Alan Titus.Photo by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Photo by: Bureau of Land Management - Utah
Photo by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah
Excavation process and findings from "Rainbows and Unicorns Quarry" in Grand Staircase Escalante National MonumentPhoto by: Bureau of Land Management - Utah