Randy Phelan, vice president of the Mandan, Hidatsa and Arikara Nation, was among governors, mayors and stakeholders meeting with the Trump administration this week to discuss how to improve U.S. infrastructure, which included energy talks. The tribe has been working on oil and gas development for the last nine years. The reservation sits in the heart of Bakken oil and gas reserves. Phelan met with the president, vice president and senior administration officials at the White House.