156 BUREAU OF AMERICAN ETHNOLOGY [BuU. 179 



face of our constant demands on him for maps, transportation, and 

 information, contributed greatly to the progress of the work. 



Numbers of institutions cooperated closely with the Eiver Basin 

 Surveys Program. Not only individuals of the National Park Serv- 

 ice, but the organization as a whole was geared for close assistance to 

 the salvage work. 



The Corps of Engineers, United States Army, frequently supplied 

 transportation and maps, as well as geological and geographic in- 

 formation. Similar assistance was received from the Bureau of 

 Reclamation. 



The University of Oregon provided office and laboratory space for 

 River Basin Surveys, as well as library privileges. 



The University of Washington furnished generous grants for field 

 research. These permitted the extension of the work beyond what 

 would otherwise have been possible. The State College of Washing- 

 ton also granted funds for field research, and supplied transportation 

 for field parties. 



Dean H. P. Hansen, Oregon State College at Corvallis, made pollen 

 analysis of soil samples. Even though the results were negative, his 

 time and efforts are appreciated. 



The volcanic ash at sites 35-UM-5 (Hat Creek) and 35-UM-7 was 

 examined by Dr. Harold Culver, Department of Geology at the State 

 College of Washington. Dr. Culver's special trip and his subsequent 

 report were of great assistance. Dr. C. D. Campbell, State College 

 of Washington, made microscopic and spectrographic analysis of the 

 volcanic ash. 



To the many persons who examined, tested, and gave expert opinions 

 on artifacts, my appreciation is hereby extended. The list includes 

 metallurgists, art and textile experts, button collectors, historians, and 

 especially residents in the vicinity of our excavations and surveys. 



After the field excavations were finished and the laboratory work 

 was carried to completion, came the writing of the interpretation of 

 the data. My guidance through this critical stage was in the hands 

 of my thesis committee, which was composed of Dr. Emil W. Haury, 

 head of the Department of Anthropology, Dr. Edward Spicer, pro- 

 fessor of anthropology, and Dr. Edward B. Danson, assistant professor 

 of anthropology, all of the University of Arizona. The comments, 

 suggestions, and questions contributed by these persons did much to 

 ease the burden of writing. I am especially grateful to Dr. Haury 

 for his assistance in solving technical problems in illustration. 



The burden of typing and proofreading fell upon my wife, Maxine 

 Shiner. Without her endless hours of painstaking labor, I can truly 

 say that this thesis would never have been finished. 



