Water Experts 09 Oct, 2019 1 2 » Howard S. Ramsdell, PhD. Associate Professor Environmental and Radiological Health Sciences (970) 491-5698 David A. Randall, PhD. University Distinguished Professor Atmospheric Science (970) 491-8474 Sara L. Rathburn, PhD. Professor Geosciences (970) 491-6956 Kenneth F. Reardon, PhD. Professor and Associate Department Head Chemical and Biological Engineering (970) 491-6505 Henry Reges CoCoRaHS National Coordinator Atmospheric Science (970) 491-1196 Robin S. Reid, PhD. Professor Ecosystem Science and Sustainability (970) 491-5941 Patricia J. Rettig Head Archivist Water Resources Archive (970) 491-1939 Douglas Rideout, PhD. Professor Emeritus Forest and Rangeland Stewardship (970) 222-5089 Larry A. Roesner, PhD. Professor Emeritus Civil and Environmental Engineering (970) 491-7430