E.R. Gray & Associates PC Share: Surveyors E.R. Gray & Associates PC Visit Website 1428 Lafayette Avenue Columbus, IN 47201 (812) 372-7398 (812) 372-2175 (fax) www.ergray.com Rep Info Map Whom to Contact E R Gray President Nathan Gray Project Manager Rik Sanders Senior Director, Surveys What's Nearby? Distance: 5 10 15 20 25 50 mi.