Western US Forest Cover
Ocean
Non-US Land
White-Red-Jack Pine
Spruce-Fir
Longleaf-Slash Pine
Loblolly-Shortleaf Pine
Oak-Pine
Oak-Hickory
Oak-Gum-Cypress
Elm-Ash-Cottonwood
Maple-Beech-Birch
Aspen-Birch
Douglas-Fir
Hemlock-Sitka Spruce
Ponderosa Pine
Western White Pine
Lodgepole Pine
Larch
Fir-Spruce
Redwood
Chaparral
Pinyon-Juniper
Western Hardwoods
U.S. Non-Forest
Lakes