Thurston County topographic maps

Average elevation: 111 m

Average elevation: 143 m

Average elevation: 34 m

Average elevation: 115 m

Average elevation: 323 m

Average elevation: 136 m

Average elevation: 72 m

Average elevation: 107 m

Average elevation: 58 m

Average elevation: 47 m

Average elevation: 65 m

Average elevation: 50 m

Average elevation: 143 m

The area is located near the southern limit of the Fraser Glaciation and the underlying sediments consist largely of Vashon-age till and outwash deposited at that time; the area also includes former lakebeds and alluvial deposits associated with proglacial lakes that existed in the area near the end of…

Average elevation: 49 m