The Upper Napa Valley land use system is presently
agricultural and epitomized by vineyards of quality wine grapes. As
the San Francisco Bay Urban Area continues to expand the Upper
Napa Valley is brought into closer proximity to the urban margin,
and its agricultural usefulness is being threatened. Whether the...
The navigability of the Columbia river permits Portland, located more than 100 miles inland from the Pacific Ocean, to function as the major port of the state of Oregon. It could be expected that the waterfront spanning the greatest share of the distance between Portland and the ocean should reflect...