IOGCC Midyear Issues Summit. June 27 - 29, 2011, Radisson Hotel Bismarck, Bismarck, ND. During the IOGCC's 2011 Midyear Meeting in Bismarck, ND, June 27-29, attendees will be given the opportunity to observe this unique organization and discuss the further success of oil and natural gas development within the nation. With the same goal in mind as those who started this organization, state leaders will work together with determination to protect our vast and valuable oil and natural gas processions during the IOGCC Midyear Meeting.