Oklahoma Society of Land Surveyors http://www.osls.org/calendar.cfm Upcoming events for Oklahoma Society of Land Surveyors en-us 2012 OSLS Sporting Clays Tournament http://www.osls.org/cde.cfm?event=371206 Wed, 07 Mar 2012 Wed, 07 Mar 2012 Wed, 07 Mar 2012 : : 371206 2012 OSLS Annual Convention http://www.osls.org/cde.cfm?event=371207 Thu, 08 Mar 2012 Thu, 08 Mar 2012 Sat, 10 Mar 2012 : : 371207 2012 Convention EXHIBITORS ONLY http://www.osls.org/cde.cfm?event=371204 Thu, 08 Mar 2012 Thu, 08 Mar 2012 Fri, 09 Mar 2012 : : 371204