From crossing of Old Reese R road on East Walker to Glenns 10 Spring up along the summits & [deluge] their hot-steaming sides. The porous sandy dusty flanks [ ] [ ] to absorb the torrents & are shed off in thick clayy sandy grabelly sheets into the gulches in [ ] small gorges [in] [ ] sudden lavish [ ] into the main channels & roll on in mighty floods. The first [wave] [advance] [with] a curling breaker like front 10 or 15 ft high rolling boulders tons in weight [sweeping] all before it. This is the so-called Cloudburst was so fortunate as to go [over] the ground of a cloudburst a month or two after it had fallen & [traced] its [formation] not to [one] [point] but to the whole area of the mtnss reached by what evidently was only a sudden shower. No such thing as Cloudburst in the 29
Glens to summit of Mt Grant 30 vulgar meaning of the term. Anything among the conditions that tends to hold the rain for a time makes the final down rush all the more sudden & destructive. Along the W flanks of the Carson are a series of sedimentary beds of [white] [firm] ground material seemingly volcanic in origin like pipe clay with clay like [divisions] when sun dried. These all dip to the SW. Crossing the W Walker Val to the much low range the same beds occur with [expanions] 2 or 3000 ft thick with some [sandstone]. [grey] & pebbly in places. Even the [unaltered] [lava] itself partakes of the same dip. The [point] or [rather] line of the upheaving force not apparent
Original journal dimensions: 10 x 17 cm.
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John Muir, journals, drawings, writings, travel, journaling, naturalist