j 
Bul. 393, U. S. Dept. of Agriculture. PLATE IV 
OPRRE 67956 
Fig. 1.—WOODEN BRIDGE FAILURE ON CHANCELLORSVILLE ROAD, Marcu, 1910, 
SPOTSYLVANIA COUNTY, VA. 
OPRRE 6795 
Fia. 2.—SAFE AND LASTING CONCRETE BRIDGE ON GRAVEL ROAD, SPOTSYLVANIA 
COUNTY, VA. 
Same location as above, April, 1913. 
