OREGON DEPARTMENT OF TRANSPORTATION GEOMETRONICS 200 Hawthorne Ave., B250 Salem, OR 97310 (503) 986-3103 Ron Singh, PLS Chief of Surveys (503) 986-3033 David Artman, PLS Geometronics (503) 986-3017 David W. Taylor, PLS Geometronics (503) 986-3034 Dave Brinton, PLS, WRE Survey Operations (503) 986-3035 BASIC SURVEYING - THEORY AND PRACTICE Ninth Annual Seminar Presented by the Oregon Department of Transportation Geometronics Unit February 15 th - 17 th , 2000 Bend, Oregon