“...Burns – Harper Red Bed: This location is many miles east of Burns and south of Harper. It is also known as “Skull Springs”. The eggs from this locale can be huge, weighing hundreds of pounds. The best quality eggs are much smaller, and have a nice reddish matrix with white and mixed colors of hydrothermal agate....”

extract from a personal notice from Mark Ketsdever, Hillsboro, Oregon, 2011