Throughout the book Boll and his colleagues continuously stress the significance of the many important contributions that psychology has made to medical science's knowledge and understanding of the causes and consequences of physical and emotional illness.
There are more than 60 dams in the Columbia River watershed in the United States and Canada. Tributaries of the Columbia River and their dammed tributaries, as well as the main stem itself, each have their own list below. The dams are listed in the order as they are found from source to terminus.
Salmon Range. Salmon once occupied nearly 13,000 miles of Columbia River Basin streams and rivers. According to conservative estimates, the Columbia River Basin, both above and below Bonneville Dam, once produced between 10 and 16 million salmon annually.