[Jeanne C.] Carr
of wh I succeeded in making my way, & discovered that my so called [underlined: snowbank] was clear green ice, & comparing the form of the basin wh it occupied with similar adjacent basins that were empty I was led to the opinion that this glacier was several hundred feet in depth. Then I went to the "snowbanks" of Mts Lyell & McCure & believed that they also were true glaciers & that dozen other snow banks seen from the summit of Mt Lyell crouching in shadow were glaciers living as any in the world & busily engaged in completing that vast work of mountain making, accomplished by their giant relatives now dead, wh united & continuous covered all the range from summit to sea like a sky2  On one of the yellow days of last October 71 when I was among the mountains of the "Merced Group", following the footprints of the ancient glaciers that once flowed grandly from their ample fountains, reading what I could of their history as written in Moraines & Canons & lakes & carved rocks, I came upon a small stream that was carry- ing mud of a kind I had not before seen. In a calm place where the stream widened I collected some of this mud & observed that it was entirely mineral in composition & fine as flour, like the mud from a fine grit grindstone. Before I had time to reason, I said, Glacier Mud - Mountain Meal! Then I observed that this00625
1872 Oct 8
Original letter dimensions: 20.5 x 25.5 cm.
Reel 02, Image 0945
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