In 1794, the town was attacked and burned by militiamen commanded by Colonel James Orr of Nashville, Tennessee.[4] During the spring of 1861, early in the American Civil War, Robert Cravens of Chattanooga began mining saltpeter, the main ingredient of gunpowder, at Nickajack Cave.Nickajack Cave was visited by thousands of soldiers of both side troops, who travelled up and down the Tennessee River on steamboats.[5] By the late 19th and early 20th centuries, coal and iron mining industries had come to dominate Marion County's economy.The Raccoon Mountain Pumped-Storage Plant is located in the extreme southeastern part of the county.The schools in Marion County are: Marion County is served by numerous local, regional and national media outlets which reach approximately one million people in four states including: Tennessee, Alabama, Georgia and North Carolina.Cable TV companies in Marion County include Charter Communications and Trinity Cable Marion County Airport, also known as Brown Field, is a county-owned, public-use airport located four nautical miles (7 km) southeast of the central business district of Jasper.