Rock Island Dam Island Pool. Rock Island Dam is constructed on Columbia River basalt similar to that which is exposed on the cliffs near the dam. These columnar basalts were formed from lava flows during the mid- to late-Miocene Epoch, some 14 to 16 million years ago. The rock is strong and durable and provides a very stable foundation for the structure. Columbia River stream flows at the Project averaged 73,700 cubic feet per second (2090 m³/s), a decrease of 37% from 2000 and 63% of the 20 year average of 116,700 cubic feet per second (3305 m³/s). The Rock Island Hydro Project
Lava Hay being less artistically cohesive than the debut; while Little's songs retained the folk flavour the band was known for, Gould's were rapidly evolving toward a rock style strongly influenced by one of her first musical heroes, Chrissie Hynde. After Lava Hay broke up in 1994, Gould formed the band Taste of Joy and Little released material as a solo artist. Lava Hay Lava Hay were a Canadian folk rock duo formed in 1989 in Toronto, Ontario, consisting of Suzanne Little and Michele Gould. Little and Gould first met in 1986, while working at "Now". In 1989 they recorded an album