High Knob Observation Tower High Knob Observation Tower and Site Design, George Washington & Jefferson National Forests, Clinch Ranger District, Norton, VA Superintendent: Bill D’Angelo (828)270-1864, wdangelo@dotconstructioninc.com High Knob Tower Drawings[1] High Knob Tower VA80 Davis Bacon High Knob Tower VA11 Davis Bacon Specifications Knob Tower High Knob Tower Notes Drawings and Specs High Knob Tower Geotech_Report This slideshow requires JavaScript.