ACKNOWLEDGMENTS 



Funding for this study was provided by the Montana Natural 

 Heritage Program (MTNHP) and The Nature Conservancy. Additional 

 support was received from the American Museum of Natural History 

 and the University of Montana (UM) . The Bureau of Land 

 Management (BLM) Billings Resource Area provided transportation, 

 housing, and support. Special thanks to Bill Mcllvain (BLM) and 

 David Jaynes (BLM) for their assistance and cooperation. The 

 Beartooth Ranger District of the Custer National Forest provided 

 housing and support. Terry Peters of the National Park Service 

 provided support for the investigation of the Bighorn Canyon 

 National Recreation Area. Dan Pointbriand and Candace Tinkler 

 provided housing. Vicki Pengelly of Computer Information 

 Services (UM) provided invaluable computational assistance. 

 Special thanks to all those who provided field assistance: Jill 

 Oppenheim, Jack Lindsay, Lisa Dorn, Andrew Bosma, Susan Newell 

 and Dick Walton and friends, Carl Wolfe, Tibbs Armand, Susan 

 Worthington, Tim van Buren, and Peter Hunt. David Center (MTNHP) 

 and Kerry Foresman (UM) provided overall supervision of the study 

 and comments on this report. Richard Hutto (UM) and Dan 

 Pletscher (UM) provided advice on the study design. Mike Bogan 

 of the National Ecology Center, U.S. Fish and Wildlife Service, 

 provided valuable advice on the study and on bat biology in 

 particular. 



