[letterhead]San FranciscoSept. 12, 1902.My dear Mr. Muir:Expected to see you long before this but have been so crowded for time that I have put off going until a little later. Our running zigzag lines across [the?] Sierra foothill region. Have been working in Nevada, [illegible], [illegible] & [illegible] & Tuolumne counties & am just setting out for Mariposa & M[illegible] counties.. I want to get a lot of this work behind me, instead of having so much of it staring me in the face. Had a fine trip to Santa L[illegible] [peak?] & adjacent country. Also ran a line across for [illegible] Valley to the San Joaquin. Its still hot in the foothills —102° to 108° [nearly?] every day where I have been at work.03049 Was [surprised?] to st[illegible]...