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CHARLES F. LEAF, CONSULTINC HYDROLOGIST - ---- ..-- EDUCATION B. S. Civil Engineering, University of Denver, 1960 M. S. Civil Engineering, Colorado State University, 1962 Ph.D. Watershed Management, Colorado State University, 1969 PROFESSIONAL REGISTRATION Registered Professional Engineer Colorado, Montana, New Mexico PROFESSIONAL SOCIETIES AND ORGANIZATIONS -- ----...-- American Society of Civil Enginee'''s Member Western Snow Conference - Member Tau Beta Pi EXPERIENCE Dr. Leaf's experience in his field began with work as a Hydraulic Engineer for the U. S. Geological Survey and then as an Engineer for a consulting meteorologist. Between 1963 and 1973 he was a Research :Iydrologist for the U. S" Forest Service, Rocky r~ounta'in Forest and Range Experiment Station at Fort Collins. In 1973-74 Dr. Leaf ",as a Project Leader at t.he Experime,nt Station where his work consisted of development of teChniques for residual volume streamflow forecasting; evaluating effects of land use on water and sediment yields; design, construction, a~d operation of runoff measurement systems; design and operation of hydrologic data acquisition networks; development and application of compu-- terized hydrologic simulation models; water balance studies of subalpine drainage basins; snow avalanche dynamics and forecast-- ing; and hydrologic impact studies of weather modif'ication. Dr. Leaf entered private practice in 1974 as a Consulting Hydrologist. Since that time he has conducted studies of hydrologic impacts from mining and silvicultural activities in Colorado, Montana, and New Mexi co. He has made contributi ons to manuals prepa I"ed by the U.S. Forest Service on the hydrologic impacts of mining and Silvi- cultural activities, principally in the Western United States. As a consultant to Thorne Ecological Institute, Dr. Leaf has conducted hydrologic impact studies for Freeport Coal Company, Northern Coal Company, and HE!stmoreland Coal Company. His hydrologic impact evaluation for Colorado Westmore'land's Orchard Valley r1ine was utilized in one of the first mine plans approved under the Department of the Interior's Surface Mining Reclamation and Enforcement program.