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
Louisiana State Police of the Louisiana Legislature, to form the Louisiana Department of State Police. The department's force of patrolmen numbered over 40 at that time, and the primary patrol vehicle was the motorcycle. In 1939, the State Police was divided into eight "troops". Troopers in cars and motorcycles were patrolling nearly 2 million miles per year throughout the state. The agency's fleet of patrol motorcycles eventually grew to 64 motorcycles. In 1942 the Louisiana Legislature abolished the Department of State Police and made it a division of the newly created Department of Public Safety. The state police accepted new responsibilities in 1946,