MAJOR and PAULIK: ENCROACHMENT OF WANAPLM DAM RESERVOIR 



Figure 3. — Rock Island Dam before Wanapum Dam had been built. 



Figure 4. — Rock Island Dam after Wanapum Dam had been l)ui!t. Note how the rocks and the 

 lower portion of the right-bank fish ladder, visible below the dam in Figure 3, have been inundated 

 in Figure 4. 



129 



