A U-shaped valley is a valley that has a profile suggesting the form of the letter U, characterized by steep sides that may curve inward at their bases and a broad, nearly flat floor. Specifically, a U-shaped valley is one carved by glacial erosion.
Homefacts City Report. Gig Harbor is located in Pierce County, WA. The population is 7,239. There are 12 public schools in Gig Harbor with an average Homefacts rating of A-. The total crime rate for Gig Harbor is moderate, and there are 8 registered sex offenders residing in the city.
Sponsored Topics. Oak Harbor is a city located on Whidbey Island in Island County, Washington. The population was 22,075 at the 2010 census. Oak Harbor was incorporated on May 14, 1915. Oak Harbor is Whidbey Island's largest incorporated city.