Transcription:
Direction of vertical lines of cleavage at 34 points of observation scattered over the dome-plum illegible section below
North 35 E 35 Look upon Whitneys map observe how all 35 East West divides of glacier controlling height have 35 been bent
Southward. I hope to see you 30 soon will therefore wait my Mary says 30 etc. 30 30 35 35 35 drawing 40 35 65 45 40 45 25
25 35 Horizontal Section of Sierras Structure of granite with reference to 35 North 33 East lines of cleavage? --------- 35
This portion of the Sierra is made up of granite Slates 20 S N on edge in a nearly perpendicular position with 45 horizontal
direction of North 33.25 East 35 These cleavage lines must be of great significance 30 because of their universality age.
They swerve not 30 for any Dome or canon. Some are of clearer development 30 then others in crossing narrow Dome brow forms
of rock? ( 5 W) various canons these cleavage lines of supposed development yield grand 20 testimony concerning glacier 25
sculpture. I have never seen a dome so hard as to jostle 35 these cleavage seams, however homogeneous in appearance 35 all
granite of this region in canon bottoms or on summits either 35 show or may be made to show these lines. Only a few seams
are developed so as to be readily traceable for miles, but spray of a fall will develop them to any degree of dest illegible
or abundance So I say that these mtns are made of slabs of indefinite thinness set on edge at right angles to the direction
of the range. in margin: a block of mtn granite as sec 4 when sprayed by a fall developes to Sec 5 with regular measurable?
seams