Puget Sound Shore Railroad Puget Sound Shore Railroad The Puget Sound Shore Railroad and successor Northern Pacific and Puget Sound Shore Railroad built a branch line of the Northern Pacific Railroad between Puyallup and Seattle, Washington, U.S., and partially constructed a line around the east side of Lake Washington to Woodinville. After Congress chartered the Northern Pacific Railroad (NP) in 1864, the communities along Puget Sound competed to be its Pacific terminus. Tacoma, about south of Seattle, became the winner in July 1873, when the NP, then building north from Portland, selected it. Seattle businessmen immediately incorporated the Seattle and Walla Walla Railroad and
Puget Sound Arthur Kruckeberg, the term "Puget Sound" is sometimes used for waters north of Admiralty Inlet and Deception Pass, especially for areas along the north coast of Washington and the San Juan Islands, essentially equivalent to NOAA's "Northern Puget Sound" subdivision described above. Kruckeberg uses the term "Puget Sound and adjacent waters". Continental ice sheets have repeatedly advanced and retreated from the Puget Sound region. The most recent glacial period, called the Fraser Glaciation, had three phases, or stades. During the third, or Vashon Glaciation, a lobe of the Cordilleran Ice Sheet, called the Puget Lobe, spread south about 15,000 years