431 - 61st St Oakland Cal.Mar 29. - 1903.Prof. John MuirMartinez, Cal.Dear Sir,It occured to me that you might give me some light regarding how the ground at [illegible] Alaska beacme frozen to a depth of 100 feet and more.Professor J G. [illegible]on my good neighbor urged me to write to you regarding this (to me) strange f[illegible]Two years ago in Dec. and Jan. I sank a shaft on Dry Creek, about one mile from the sea nearly 100 ft. deep all in frozen ground. am quite sure the bottom is below the sea level, at times the deposit was sedimentary and again [it?] was slide some s[illegible]attas were nearly pure ice. On the thirty foot level I afterward drifted03200
1903 Mar 29
Original letter dimensions: 22.5 x 20 cm.
Reel 13, Image 0352
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