The San Rafael Group in the Lake Powell region, in Baars, D.L., ed., Geology and Natural History of the Grand Canyon region

Stokes, W.L., and Thompson, A.E., 1969, The San Rafael Group in the Lake Powell region, in Baars, D.L., ed., Geology and Natural History of the Grand Canyon region: Four Corners Geological Society 5th Field Conference Guidebook, p. 184-189.