Washington topographic maps

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Average elevation: 7,096 ft

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Average elevation: 817 ft

Average elevation: 1,575 ft

Average elevation: 295 ft

Average elevation: 1,991 ft

Average elevation: 89 ft

Average elevation: 4,583 ft

Lake Ballinger is a natural lake formed by the melting of the Puget Sound lobe of the Cordilleran Ice Sheet. It is fed primarily by Hall Creek, but is also fed by groundwater flowing from nearby Echo Lake as well as by surface runoff. It is just west of Interstate 5 in Mountlake Terrace and immediately north…

Average elevation: 381 ft