Contact the OISGA

Boudewijn H. W. van Gelder
Indiana State Geodetic Advisor
1284 Civil Engineering
West Lafayette, IN 47907-1284
email: vngelder@ecn.purdue.edu

Aaron Braun
Research Assistant to the State Geodetic Advisor
1284 Civil Engineering
West Lafayette, IN 47907-1284
email: abraun@ecn.purdue.edu

David VandenBerg
Former Research Assistant to the State Geodetic Advisor
email: dave_vanden_berg@trimble.com
 

Thomas Mahon
Former Research Assistant to the State Geodetic Advisor
email: tom.mahon@woolpert.com