« All Events This event has passed. OPRA 2019 February 3, 2019 - February 6, 2019 « Ersi Federal GIS 2019 Ersi Water GIS 2019 » + Google Calendar+ iCal Export Details Start: February 3, 2019 End: February 6, 2019 Event Category: Conferences Website: https://opraonline.org/2018/02/21/2019conference/ Venue Kalahari Convention Center 7000 Kalahari Drive Sandusky, OH 44870 United States + Google Map