[Robert Underwood] Johnson
109 Martinez, Sep. 8, 1910Dear Mr JohnsonThe earliest record of forest saving work I can find in a hasty search is a letter of mine published in the Sacramento Record-Union January 1876.I'll look further & report Prof. Sargent to write a good deal on forest conservation how early & how much I can't at present sayEver faithfully yoursJohn Muir
1910 Sep 8
Original letter dimensions unknown.
Reel 19, Image 0834