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POPULAR SCIENCE MONTHLY.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/da/PSM_V59_D130_Arid_san_jacinto_reservation_plant_growth.png/500px-PSM_V59_D130_Arid_san_jacinto_reservation_plant_growth.png)
The Cover of the Southwestern Reservation is mostly Chaparral, either mixed with a Scattered Growth of Single Trees or Wholly of Shrubby Plants. San Jacinto Reservation, California.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/PSM_V59_D130_Growth_limited_by_the_sierra_reservation_altitude.png/500px-PSM_V59_D130_Growth_limited_by_the_sierra_reservation_altitude.png)
The Altitude is often too great for the Growth of Desirable Timber. Sierra Reservation, California.