in september 2013, president barack obama signed the denali national park improvement act into law. hundreds, if not thousands of people had promoted the law and put it through congress. the statute allows the united states department of the interior to "issue permits for microhydroelectric projects in the kantishna hills area of the denali national park and preserve in alaska"; it authorizes the department of the interior and a company called doyon tourism, inc. to exchange some land in the area; it authorizes the national park service (nps) to "issue permits to construct a natural gas pipeline in the denali national park"; and it renames the existing talkeetna ranger station the walter harper talkeetna ranger station.