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[[underline]]To Corona[[/underline]]

[[underline]]July 22.[[/underline]] Left Santa Ana on 11:45 train for Corona. Passed through the same kind of orange, lemon, & walnut farms to Olive. Then after crossing the Santa Ana River came into a desert strip of cactus, sand & waste land. It is old river flats, stony & sandy & poor soil but rich in animal life. The sand is all tracked up with small things - Perodipus etc. - & would probably yield several desert species. It could be worked from the little town of Olive by walking a mile north.

We then follow up the Santa Ana River through the canyon to Corona, with Lower Sonoran plants all along the falley including cactus, Eremocarpa setigera, Baccharis virninea etc.

Upper Sonoran chapparrel comes down near the valley edge on slopes south of the river and covers the Santa Ana Mts. densely to the tops. Half a dozen little patches of big cone Pseudotsuga appear in the upper ends of N.E. canyons above 2000 feet. Most of the trees seem small.