Joseph Magner presents next LEEPS lectures Feb. 23 Joe Magner, senior research scientist with the Minnesota Pollution Control Agency and University of Minnesota adjunct professor, presents two LEEPS lectures Friday, Feb. 23. The first, "A Sentinel Watershed-Systems Approach to Future Water Quality Management," will be held at noon in 100 Leonard Hall. Magner will discuss "Selected Minnesota Riparian Systems: Geochemical and Isotopic Analysis of Hydrologic Pathways and Water Quality Response" at 3 p.m. in 109 Leonard Hall. The Department of Geology and Geological Engineering Leading Edge of Earth and Planetary Science lecture program (LEEPS) brings nationally and internationally known scientists and others to UND to give talks on cutting-edge science and engineering. Lectures cover a wide range of topics, including academic science, applied engineering, and environmental issues of current significance. For more information, contact Phil Gerla, 777-3305. -- Phil Gerla, Associate Professor, Geology and Geological Engineering, philgerla@mail.und.nodak.edu, 701-777-3305