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bulldozer trench at L ocality C l-2 4 3 , and, in ad d itio n , lo cated s ite s in the Corn Springs a re a . We are m ost grateful to the Boy Scouts of America for loaning te n ts and cooking u te n sils; to M r. Joe T. W ells of the Thunder-bird H otel, who provided an office a t the hotel during field operations and extended many c o u rte sie s to v isito rs to the site; to Jones and Jones, food d istrib u to rs, Las V egas, who gave a generous amount of food, to D r. and M rs. Joseph I. Leveque of the St Frances Animal H ospital who handled m ail and telephone c a lls for the field wor­kers- to M r. Vince Anselmo for his help with publicity; and to the A tlas S teel Company for loaning a quantity of ste e l ro d s. C ontributions of food, equipm ent or serv ice s were donated by the follow ing. American Linen Supply, Foodland, the Girl Scouts of America, the M ayflower T ransit Company, the M ercury Blueprint and Supply Company, N evada Southern U niversity, t e Southw est G as Company, the State Park C om m ission, Thriftim art, the U. S. Bureau of Land M anagem ent, the U. S. Soil Con­servation S ervice, the Village Bakery, and M r. W illiam Belknap, M r. R. Guild Gray and M r. and M rs. Richard W ilso n . Thelma E. Calhoun com petently filled the d ifficu lt position of project acco u n tan t. To her, M rs. M arian C layton, Secretary of the N evada State M useum , and other M useum staff members who were of such inestim able help both during and after the field se a so n , are due many th a n k s. The cover d esign is by Arminta N eal/ Curator of G raphic Arts, the D enver Museum of N atural H istory. The F rontispiece and other photographs appear through the courtesy of the N ational G eographic Society, W ashing-ton, D . C . F inally, we cannot adequately ex p ress our thanks to D r. H. M . Wormington and her a s s is ta n t M rs. Dorothy E llis , for the h erculean job they have done in editing an preparing th is report for p u b licatio n . STAFF AND ADVISORY COMMITTEE Because of the in terd iscip lin ary nature of the Tule Springs p ro ject, a staff w ith varied ta le n ts w as needed. We were very fortunate to be ab le to obtain the serv ices of the required s p e c ia lis ts . Project staff members were: D r. Richard Shutler, J r., directo r and p rin ci­p al in v estig ato r, and D r. C harles E. Ro-z aire , a s s is ta n t d irecto r, both of the Nevada State Museum; D r. C . Vance H aynes, g e o lo g ist, U niversity of Arizona; D r. John E. M awby, p a leo n to lo g ist, U niversity of C alifornia a t Berkeley; M r. Peter J. M eh-ringer, J r., p aly n o lo g ist, U niversity of Arizona; M iss Ruth D . Sim pson, arch a e ­o lo g ist, Southw est Museum; and M iss C arol B ailey, sec retary , N evada State M useum . The senior field a s s is ta n ts were Richard H . Brooks, U niversity of C alifor­n ia, Berkeley; W alter T. Stein, U niversity of Arizona; Donald R. Tuohy, Nevada State M useum . Cook and camp superintendent w as M rs. M argaret M . W heat of the Nevada State M useum . A ssista n t cook w as M iss Jean Ellen S tarns, Sacram ento State C o lleg e. Radiocarbon dating s p e c ia lis ts were D r. W illard F. Libby, Professor Gordon F ergusson, D r. Rainer Berger and M r. Irwin Taylor of the U niversity of C alifornia, Los A ngeles.A rchaeologists were Raymond Braz-zanovich, Nevada State Museum; C h ris­topher D ove, Yale U niversity; Robert J. Fitzw ater , U niversity of C alifornia, Los A ngeles; Mark D. Levine, U niversity of C alifo rn ia, Berkeley; Norma Lee Noble (a ss is ta n t in paleontology), U niversity of C alifornia, Berkeley; Robert I. O rlins, U niversity of C alifornia, Berkeley; M argar­e t L. S u sia, U niversity of C alifo rn ia, Los A ngeles; W illiam T w itchell, C ollege of Southern Utah; and Peter A. W illiam s, Ne­vada State M useum . Laurette N oble, John G. M ann, and Thomas H. Rich com prised the team th at prepared the Tule Springs fo ssils at Berkeley. 10