ROBERT S. JOHNSTON is a Forest 

 Hydrologist stationed at tlie Forestry Sciences 

 Laboratory in Logan, Utah. He joined the 

 staff of the Intermountain Station in 1964. 

 He holds a B.S. degree in Forestry from 

 Rutgers University and has done graduate 

 study in the fields of Watershed Management 

 and Hydrology at Colorado State University 

 and Utah State University. 



ROBERT D. DOTY, Associate Research 

 Forester, has been employed by the Inter- 

 mountain Station since 1964. He holds a B.S. 

 degree in Forestry from the University of Idaho 

 and an M.S. degree in Watershed Management 

 from Utah State University. 



The authors vi^ish to acknowledge the assist- 

 ance of David H. Crockett, Geologist, USDA 

 Forest Service, Intermountain Region, who 

 prepared the Soil Profile Descriptions and Soil 

 Maps, and Dr. George B. Coltharp and Leslie 

 A. Darling of Utah State University, Logan, 

 for furnishing the Bacteriological Water Qual- 

 ity data. 



