San Francisco, November 1st, 1907.Dear Friend:-Enclosed you will find a description of Hetch-Hetchy Valley, and a brief discussion of the immediate danger which threatens it Now.If you are like minded with us, we ask you, (and others whom you may persuade,) to kindly address a personal letter, in your own words, essentially as follows:- To the President, or to the Secretary of the Interior, or to both:- Washington, D. C. As a lover of the Yosemite National Park, I most devoutly protest against the use of one of its most important and beautiful features, the Hetch-Hetchy, as a reservoir. An abundance of water can be had elsewhere to supply San Francisco. Signed:. Thanking you in advance for your attention to this request,We are, Yours trul...