Elgin, Knowles & Senne, Inc.

310 E. 6th St.
Rolla, MO 65401








Dr. David R. Knowles, LS, PE



Dr. Knowles received the degrees B.S. and M.S. in civil engineering from Georgia Tech. While attending Tech he co-oped with the Southern Railway Company. He received the degree Doctor of Philosophy from the University of Texas. While at Texas he conducted surveying and photogrammetry research for the Texas Highway Department. He taught surveying and conducted surveying instrument research at Texas A & M University. From 1976-2002 he was on the faculty of the Department of Civil Engineering at the University of Arkansas. Since 2002, he has been retired and enjoys fishing and his hobby of fly tieing..

Dr. Knowles is a past president of the Arkansas Association of Registered Land Surveyors (now ASPS) and edited "HI's and PI's," the association magazine. While Dr. Knowles was editor, the magazine won ACSM's Excellence in Professional Journalism Award. He has served as an NSPS Area Director, and is a recipient of the Arkansas Surveyor of the Year. He is a past member of the Arkansas State Board of Registration for Professional Engineers and Land Surveyors




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