we get our water from it.
John Muir tried, unsuccessfully, to keep the Hetch Hetchy area from becoming dammed. The water from the dam is sent to many cities in the Bay Area, like San Francisco.
The damming of Hetch Hetchy was the one time in American history when a single municipality (San Francisco) was allowed to develop a national park (Yosemite) for their own purposes to the exclusion of all Americans. It is often described as the "birth of the modern conservation movement" and is far more significant than the previous answer to this question - a mere philosophical disagreement between wilderness "preservationists" and more moderate "conservationists."
narmada valley is an example of a rift valley
He pushed the Hetch Hetchy dam project to provide water supply for the people of San Francisco.Damming Hatch Hatchy destroyed Hatch Hatchy valley which was a part of Yosemite National Park and was supposed to remain untouched for ever.
Yosemite Valley in California is a well-known example of a v-shaped valley. It was formed by the erosive action of glaciers over thousands of years, resulting in steep valley walls that come together to form a V shape.
Yosemite Valley in California is a famous example of a valley. It is located within Yosemite National Park and is known for its towering granite cliffs, waterfalls, and lush meadows.
narmada valley is an example of a rift valley
Yes. The Blackstone River Valley is a noteworthy example. Yagoo valley is a great skiing/ snowboarding valley which is in RI.
glendalough
yes
Dams are primarily used for water supply. The Central Valley produces and incredible proportion of the nations fruits, vegetable, and nuts. Irrigation is required to grow these resources. Dams for artificial lakes that provide additional storage that may be released during times of greatest need. Power generation is a side-benefit, but water supply for farms (and cities, although the amount of water consumed by farms in the central valley is much greater) is key.