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 sea urchins, and sand dollars. Dungeness crabs ("Metacarcinus magister") occur throughout Washington waters, including Puget Sound. Many bivalves occur in Puget Sound, such as Pacific oysters ("Crassostrea gigas") and geoduck clams ("Panopea generosa"). The Olympia oyster ("Ostreola conchaphila"), once common in Puget Sound, was depleted by human activities during the 20th century. There are ongoing efforts to restore Olympia oysters in Puget Sound. There are many seabird species of Puget Sound. Among these are grebes such as the western grebe ("Aechmophorus occidentalis"); loons such as the common loon ("Gavia immer"); auks such as the pigeon guillemot ("Cepphus columba"), rhinoceros auklet