Found 2 datasets matching "West Hills of Portland".
-
The West Hills of Portland, in the southern Tualatin Mountains, trend northwest along the west side of Portland, Oregon. These silt-mantled mountains receive significant wet-season precipitation...
Search relevance: 132.07 | Views last month: 0 -
The Portland and Tualatin basins are part of the Puget-Willamette Lowland in the Cascadia forearc of Oregon and Washington. The Coast Range to the west has undergone Paleogene transtension and...
Search relevance: 88.07 | Views last month: 0
