Fig. 1. — Map of Easthurn Farm, near Driffield, showing the Surface Geology 
After a Survey by J. R. Mohtimer, Esq. 
Chalk-gi'avcl and peat. 
Loamy clay underlying the 
above. 
Chalk-gravel. 
5 ® Ponds. 
Drift clay, or" Wold land." 5. + Chalk and gravel pits. 
Scale. — 2 Inches to 1 mile. 
