Bul. 211, U.S. Dept. of Agriculture. PLATE VIII. 
Fic. 1.—VIEW IN THE NORTHERN PART OF NEW MEXICO, SHOWING THE BEGINNING 
OF AN ARROYO ON AN OVERSTOCKED RANGE. 
Fic. 2.—VIEW IN NEW MExIco, SHOWING THE RESULT OF A SUMMER SHOWER 
WHICH LASTED BUT A SHORT TIME AND ILLUSTRATING MOST CHARACTERISTICALLY 
THE IMPORTANCE OF THE RUN-OFF. 
