much H2O do you use? (The WECalc and CSGNetwork links take you to water use calculators.)
your water footprint
After reading Hetch Hetchy Valley,
take the onine quiz.
1. What is the Merced Yosemite?
2. What is the Tuolumne Yosemite?
3. What is the elevation of the Tuolumne Valley? Hetch Hetchy
Valley? Skyline College?
4. Describe Wapama Falls, Yosemite Falls, and Rancheria Creek.
5. What did Muir think of the proposed 175-foot lake?
Tenaya Lake, Yosemite.