XX LIST OF TABLES 



TABLE PAGE 



XVII. Approximate Cost to a Rod of Digging Ditch, Laying 



Tile and Blinding 162 



XVIII. Readings in Inches, Eighths and Sixteenths Transposed 



to Decimals of a Foot . . -. . . . 172 



XIX. Table for Hose-level Data . . ... . 176 



XX. Form for Field Notes, Hose-level .-..,. . 179 



XXI. Data Completed, Hose-level . . . . . . 184 



