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[[underlined]] Oct. 25 [[/underlined]] Caught only 2 Mus musculus at Rocklin, took up traps and started for Colfax at 1 P.M.  Rocklin is 260 feet and Colfax 2422 feet.

The soil is hard and baked, mostly a red clay all the way to Colfax.  The rocks are broken lava on the surface south of Rocklin.  At Rocklin a hard, fine grained, light colored granite that is extensively quarried.  In the R.R. cuts N.E. of Rocklin the rock is a soft, coarse granite.  Near Auburn it is of various kinds of rock, schists, quartz, & coarse granite and continues so to Colfax.  Hilly all the way but very much cut up near American River.

[[underlined]] Plants [[/underlined]] Rhamnus californicus is among the rocks of Rocklin. Laurel and the small leaved Ceanothus begin west of Penryan and are com. to Colfax.  Quercus douglasii is the principal tree at Rocklin, there are a few Quercus wislizenia.  Pinus sabinaina begins at Rocklin and extends to Colfax.  P.p. benthamiana begins west of Auburn and becomes the principal Pine at Colfax.

Quercus [[strikethrough]] begins [[/strikethrough]] wislizenia is common to Auburn but not at Colfax. Quercus chrysolepis begins near Auburn and is common at Colfax.  The big leaved Black Oak, possibly Q. kelloggii, begins at Newcastle and is abundant to Colfax.

Transcription Notes:
Reviewed. Edited markup for consistency & in line with instructions, checked species names & corrected minor typos. -@siobhanleachman

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