NATURAL VEGETATION 
marked regions, western and eastern. The western region comprises seven large forest subdivisions and two subdivisions of woodland. The eastern region comprises nine forest subdivisions. Within each of these large^natural 
been cleared for farm land, 30 percent cut over and now grown up to trees of sufficient sire for saw logs or cordwood, and about 10 per cent cut over or devastated by fire and reduced to brushland. The western forest is about 
‘ibout 70 per cent of the grassland east of the one hundredth meridian is now under cultivation, but in the west only about 10 per cent is under cultivation. Of the desert-shrub area about 2 per cent is under irrigation. The 
■ uncultivated land. The profile is a cross section along the thirty-ninth parallel and shows the variation of vegetation with altitude and distance from the ocean, and direction of slope. 
