ACKNOWLEDGMENTS 



I thank Clint McCarthy for his help throughout the study. Additional help was provided by 

 Jim Farrell of the Sioux Ranger District and the South Dakota Natural Heritage Program. Field 

 work was completed with the help of M. Brown, K. H. Dueholm. D. L. Center, B. L. Heidel. and 

 D. P. Hendricks who pro\ ided many amphibian and reptile records. D. D. Dover, C. Jones, K. 

 Jurist, and S. Thweatt assisted with element occurrence ai.u map preparation. Financial support 

 for the project came from the Custer National Forest (U.S. Forest Service, Northern Region) and 

 the Montana Natural Heritage Program (Montana State Library, Natural Resources Information 

 System and The Nature Conservancy). 



Museum records were received from: American Museum of Natural History, Academy of 

 Natural Science, Brigham Young University, California Academy of Science, Carnegie Museum, 

 University of Puget Sound Museum, Field Museum of Natural History, Glacier National Park 

 Museum, Illinois Natural History Survey, University of Kansas, Los Angeles County Museum, 

 Louisiana State University Museum of Zoology, Museum of Comparative Zoology - Harvard, 

 Milwaukee Public Museum, Montana State University Museum, Michigan State University 

 Museum, North Carolina State Museum of NaUiral History, Northern Louisiana University 

 Museum. University of Colorado Museum, University of Georgia Museum of Natural History, 

 University of Idaho Museum, University of Michigan Museum, University of South Dakota, 

 United States National Museum of Natural History, University of Texas - Arlington, University 

 of Texas - El Paso, and Peabody Museum - Yale. Most museum data were received with the 

 help of Dr. Charles Peterson, Idaho State University, Pocatello. 



VI 



