1989. Petroglyphic research and ogam in southeastern Colorado: strategies for resolving controversies, in Day, J.S., Friedman, P.D. & Tate, MJ. (ed.), Rock art of the western canyons: 113–55. Boulder (CO): Denver Museum of Natural History and Colorado Archaeological Society. Colorado Archaeological Society Memoir 3.
1969. Dating prehistoric rock art of southeastern Colorado, Southwestern Lore
1983. Cation-ratio dating: a new rock varnish age determination technique, Quarternary Research
Dorn, R.I., Nobbs, M. & Cahill, T.A.. 1988. Cation-ratio dating of rock engravings from the Olary province of arid South Australia, Antiquity
Dorn, R.I., Cahill, T.A., Eldred, , Gill, T.E., Kusko, B.H.,Bach, A.J. & Elliott-Fisk, D.L.. 1990. Dating rock varnishes by the cation ratio method with PIXE, ICP, and the electron microprobe, international Journal of PIXE 1: 157–95.
1989. Nine rock art sites in the Pinon Canyon Maneuver Site, southeastern Colorado. Grand Forks (ND): Department of Anthropology, University of North Dakota. Contribution 248.
Loendorf, L.L. & Kuehn, D.D.. 1991. 1989 rock art research, Pinon Canyon Maneuver Site, southeastern Colorado. Grand Forks (ND): Department of Anthropology, University of North Dakota. Contribution 258.
Loendorf, L.L., Kordecki, C. & Gregg, M.L.. 1988. Preliminary report Pinon Canyon Maneuver Site rock art project. Grand Forks (ND): Department of Anthropology, University of North Dakota.
1980. Indian rock art of the Southwest. Santa Fe (NM): School of American Research.
Stuiver, M. & Becker, B.. 1986. High-precision decadal calibration of the radiocarbon time scale, AD 1950–2500 BC, Radiocarbon 28(2B): 969–79.
Whitley,, D.S. & Dorn, R.I.. 1987. Rock art chronology in eastern California, World Archaeology