Rauscher, Harald M. Anon.1977. An Analysis of Radial Growth of Chestnut Oak and Pitch Pine. Virginia Polytech Institute and State University.

Rees, Kathleen Anne. Anon.1988. A Quantitative Analysis of a Physically Based Predictive Model of Sediment Yield for Small Mountainous Watersheds in Southern California. University of California.

of Region, United States Department Agriculture Forest Service Southwestern. Anon.1985. Radical Growth Losses in Douglas-Fir and White Fir Caused by Western Spruce Budworn in Northern New Mexico: 1700 to 1983.

Reille, Maurice. Anon.1975. Contributions Pollen Analytique A L’Histoire Tardiglaciaire Et Holocene De La Vegetation De La Montagne Corse. Université d’Aix-Marseille III.

Reitan, Clayton Harold. Anon.1971. An Assessment of the Role of Volcanic Dust in Determining Modern Changes in the Temperature of the Northern Hemisphere. University of Wisconsin. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=756913801&sid=8&Fmt=1&clientId=43922&RQT=309&VName=PQD.

Riggs, Charles. Anon.1999. The architecture of Grasshopper Pueblo: Dynamics of form, function, and use of space in a prehistoric community. Anthropology. Anthropology. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=733967641&sid=16&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Robinson, William J, Harrill, Bruce G, and Warren, Richard L. Anon.1974. Tree-Ring Dates from New Mexico B Chaco-Gobernador Area. Tucson: University of Arizona.

Robinson, William J. Anon.1988. Tree-Ring Studies of the Pueblo de Acoma: A Preliminary Report Supplement No. 1. Tucson: Laboratory of Tree-Ring Research.

Robinson, William J. Anon.1967. Tree-Ring Materials as a Basis for Cultural Interpretations. Anthropology. Anthropology. University of Arizona.

Robinson, William J, Harrill, Bruce G, and Warren, Richard L. Anon.1973. Tree-Ring Dates from New Mexico J-K,P,V Santa Fe-Pecos-Lincoln Area. Tucson: University of Arizona.

Robinson, William J. Anon.1987. Tree-Ring Studies of the Pueblo de Acoma: A Preliminary Report. Tucson: Laboratory of Tree-Ring Research.

Robinson, William J, Hannah, John W, and Harrill, Bruce G. Anon.1972. Tree-Ring Dates from New Mexico I,O,U Central Rio Grande Area. Tucson: University of Arizona.

Robinson, William J, and Cameron, Catherine M. Anon.1991. A Directory of Tree-Ring Dated Prehistoric Sites in the American Southwest. Tucson: Laboratory of Tree-Ring Research.

Robinson, William J, Harrill, Bruce G, and Warren, Richard L. Anon.1975. Tree-Ring Dates from Arizona H-I Flagstaff Area. Tucson: University of Arizona.

Robinson, William J, and Towner, Ronald H. Anon.1993. A Directory of Tree-Ring Dated Native American Sites in the American Southwest. Tucson: Laboratory of Tree-Ring Research.

Robinson, William J, and Harrill, Bruce G. Anon.1974. Tree-Ring Dates from Colorado V Mesa Verde Area. Tucson: University of Arizona.

Robinson, William J. Anon.1988. Tree-Ring Studies of the Pueblo de Acoma: A Preliminary Report Supplement No. 2. Tucson: Laboratory of Tree-Ring Research.

Rogge, Eugene. Anon.1983. Little archaeology, big archaeology : the changing context of archaeological research. Anthropology. Anthropology. University of Arizona. no copy on file in LTRR.

Rollins, Mathew Gregory. Anon.2000. Twentieth Century Fire Patterns in the Gila/Aldo Leopold Wilderness Areas, New Mexico and the Selway-Bitterroot Wilderness Area, Idaho/Montana. School of Renewable Natural Resources. School of Renewable Natural Resources. University of Arizona. http://ezproxy.library.arizona.edu/login?url=http://proquest.umi.com/pqdweb?did=728349901&sid=9&Fmt=2&clientId=43922&RQT=309&VName=PQD.

Ryerson, Daniel E. Anon.1999. Tree-Ring Reconstruction of Western Spruce Budworm Outbreaks in the Rio Grande National Forest, Colorado. School of Renewable Natural Resources. School of Renewable Natural Resources. Tucson: University of Arizona.