Gun Lake Casino invites Allegan Area Chamber of Commerce Members to attend their annual Multi-Chamber After Hours Event.  No agenda - stay ten minutes or two hours; it's up to you! Bring business cards for networking.  This is a great opportunity to network with businesses from all over West Michigan!  This is a members-only event: You must be a member of a West Michigan Chamber Network Chamber to attend.  This is always a great event that you won't want to miss. Appetizers and…