the growing number of passengers flying in and out of Boise. It is served by Allegiant Air, Alaska Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, and United Airlines. The airport's east end is home to the National Interagency Fire Center. The Gowen Field Air National Guard Base occupies the south side of the field. The Seattle–Chicago Amtrak Pioneer passenger train stopped at Boise Union Pacific Depot from June 7, 1977, until May 10, 1997, when it was discontinued. A short line railroad (Boise Valley Railroad) serves industries in Boise, connecting with the Union Pacific Railroad in Nampa. International relations Twin towns - sister cities Guernica, Basque Country, Spain Notable people See also List of parks in Boise Notes References Further reading Available online through the Washington State Library's Classics in Washington History collection Elma MacGibbons reminiscences of her travels in the United States starting in 1898, which were mainly in Oregon and Washington. Includes chapter "Boise, the capital of Idaho". Roger Weston: The Recruiter. Novel with sequences in Boise and Sun Valley Idaho. External links Boise Convention and Visitors Bureau Boise Area Chamber of Commerce Basque-American history Boise metropolitan area Cities in Idaho County seats in Idaho Populated places established in 1863 Cities in Ada County, Idaho 1863 establishments in Idaho Territory