Those states cover an area known as the upper basin.

这些州覆盖了一个被称为上盆地的地区。

Wayne Pullan is the bureau's director for the upper basin.

韦恩·普兰是该局上游盆地的局长。

Its height from its base to the ridge of the roof is about 2500 feet, and among the pinnacles that adorn the front grand views may be gained of the upper basins of the Merced and Tuolumne Rivers.

它的底部到屋顶的山脊高度约为 2500 英尺，在装饰正面的尖峰中，可以欣赏到默塞德河和图奥勒米河上游盆地的壮丽景色。