Bui. 393, U. S. Dept. of Agriculture. 





Plate X. 



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OPRRE4978 



Fig. 1.— Traffic on Boydton Plank Road, March, 1911, Dinwiddie County, Va. 



Load, 2 tons on each wagon. 



OPRRE 7482 



Fig. 2— Type of New Steel Bridge on Boydton Plank Road, March, 1912, 

 Dinwiddie County, Va. 



