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1 1419 Taylor St San Francisco Nov. 20th 1875 My dear Sir. I write now chiefly to thank you for the kind painstaking
interest you are taking in my friend Keith, to ask whether your sister is still on our coast, to say how do you all do. Has
your sister quite recovered from the Yosemite trip which proved? so fate giving? . I have just 2 descended from my summers
studies in the Sierra, having been engaged mostly on the head waters of Owens River the Middle San Joaquin, in the Lava floods
of Mono Owens Valleys. I also spent two a half months in studying the grandest of all our forest trees Sequoia Geganten? ,
tracing its limits? , estimating the area which it occupies, reading its history as a species. When I publish results I will
send you copy. One of my most val uable discoveries is the origin