Bul. 393, U. S. Dept. of Agriculture. PLATE X. 
OPRRE 4976 
Fic. 1.—TRAFFIC ON BOYDTON PLANK ROAD, MARCH, 1911, DINWIDDIE COUNTY, VA. 
Load, 2 tons on each wagon. 
Fic. 2.—TYPE OF NEW STEEL BRIDGE ON BOYDTON PLANK ROAD, MARCH, 1912, 
DINWIDDIE COUNTY, VA. 
