Billingsley, G.H., and Hendricks, J.D., 1989, Physiographic features of northwestern Arizona, in Elston, D.P., Billingsley, G.H., and Young, R.A., eds., Geology of Grand Canyon, northern Arizona (with Colorado River guides).: American Geophysical Union, International Geological Congress, 28th, Field Trip Guidebook T115/315, p. 67-71.
Physiography
Keywords Group
Geography
Physiographic features of northwestern Arizona, in Elston, D.P., Billingsley, G.H., and Young, R.A., eds., Geology of Grand Canyon, northern Arizona (with Colorado River guides).
Dating rock surfaces by lichen growth and its application to glaciology and physiography (lichenometry), Raasch, G.O., ed., Geology of the Arctic
Beschel, R.E., 1961, Dating rock surfaces by lichen growth and its application to glaciology and physiography (lichenometry), Raasch, G.O., ed., Geology of the Arctic: University of Toronto Press, v. 2, p. 1044-1062.
