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[[underline]] Transition zone [[/underline]] covers the mesa tops and runs down in tongues along cold slopes to 7000 feet. It is mainly characterized by Pinus ponderosa & Quercus gameli ^[[insertion]]& Pseudotsuga[[/insertion]], but also by such plants as Ceanothus [[space]], Berberis "spatulata", Chokecherry Amelandrier, Gilia agrigata, Pentstemon [[space]] (scarlet), Ribes [[space]] (Hondo), Rosa [[space]], Seneceo [[space]] (1005). & others.

There is much valuable timber timber in the Yellow pines & douglas spruce, some of which has been cut & more burnt. The oaks are often large, 1 1/2 to 2 feet in diameter & 50 or 60 feet high. Around the north base of the mts. a few farms were seen among the yellow pines but generally they are uninhabited.

[[underline]]Upper Sonoran zone[[/underline]] covers the surrounding valleys & runs up on the foot hills and hot slopes to a height of sometimes 8000 feet on steep S.W. slopes, or about 7000 on cold slopes. Its trees are Pinus edulis, Juniperus

Transcription Notes:
'Gilia agrigata' = gilia aggregata - nwmath