Louisiana without thoroughly accounting for the influence of the petroleum and gas industries. Since the 1980s, these industries' headquarters have consolidated in Houston, but many of the jobs that operate or provide logistical support to the U.S. Gulf of Mexico crude-oil-and-gas industry remained in Louisiana . In 1849, the state moved the capital from New Orleans to Baton Rouge. Donaldsonville, Opelousas, and Shreveport have briefly served as the seat of Louisiana state government. The Louisiana State Capitol and the Louisiana Governor's Mansion are both located in Baton Rouge. The Louisiana Supreme Court, however, did not move to Baton Rouge but remains
State Library of Louisiana was negatively affected by the Civil War due to decreased funds. The lack of funding lasted long after the war had ended and greatly impaired development of the collection. The library remained in New Orleans until 1904. After years of neglect, the library was closed in 1911. The Law Library Society, which later became the Louisiana Law Library, added what remained of the collection to its own. In 1920, the Louisiana Legislature created the Louisiana Library Commission, a forerunner of the State Library of Louisiana. In 1925, the Commission joined with the philanthropic Carnegie Corporation to create a network of