Puget Sound region and settled the Puget Sound area. The first non-indigenous settlement was New Market (now known as Tumwater) in 1846. In 1853 Washington Territory was formed from part of Oregon Territory. In 1888 the Northern Pacific railroad line reached Puget Sound, linking the region to eastern states. For a long period Tacoma was noted for its large smelters where gold, silver, copper and lead ores were treated. Seattle was the primary port for trade with Alaska and the rest of the country and for a time possessed a large shipbuilding industry. The region around eastern Puget Sound developed heavy industry during
Puget Sound Naval Shipyard and Intermediate Maintenance Facility the future. Gorst Creek Ravine near Port Orchard, Washington was a hazardous waste dump for the Navy's shipyard waste between 1969 and 1970, when the site was not permitted by local authorities to take waste. After several collapses since 1997 the landfill could blow out Highway 3. The landfill is an "ongoing source of pesticides, polychlorinated biphenyls and metals flowing downstream with the potential to affect groundwater wells, sport fisheries and the Suquamish Tribe's fish hatchery. In October 2014, the US EPA ordered the Navy to fix the problems. The Puget Sound Naval Shipyard contains five historic districts: These five