AND THEIR EXTENSION IN HEETFOEDSHIKE. 



171 



Bishop's Stortford. Chantrey Road. 



Brick-earth 30 feet. 



Sand 18 „ 



Chalk. 



Dunmow Road. 



Brown Loam 3 „ 



Gravel and Sand 40 „ 



Mottled Loam 4 „ 



■ Dunmow Road. 



Boulder Clay 45 „ 



Sand and Gravel 15 ,, 



Sand 12 „ 



Hadham Road. 



London Clay 27 ,, 



"Woolwich Beds 20 „ 



Chalk. 



Hadham Road. 



Brick-earth and Sand 28 ,, 



Chalk. 



New Road. 



Drift 10 „ 



London Clay ? 30 „ 



Woolwich Beds 16 „ 



Chalk. 



Training College. 



Drift 65 „ 



"Woolwich Beds 25 „ 



Chalk. 



"Waterworks. 



Boulder Clay 17 „ 



London Clay 54 ,, 



"Woolwich Beds 45i „ 



Chalk. 



Broxbourne. 

 To Chalk 84 „ 



BusHET. L. & N. W. Railway. 



Surface earth 3 ,, 



Clay with large stones 10 ,, 



Chalk. 



Oak Lodge. 



London Clay 110 „ 



"Woolwich Beds 35 ,, 



Chalk. 



Cheshunt. 



Gravel „ 8| „ 



London Clay 40 ,, 



"Woolwich Beds.... 60| „ 



Chalk. 



Beaumont Green. 



Mould 1 „ 



Drift 16 „ 



London Clay ) , ^q 



"Woolwich Beds \ ^"^ " 



Soft "White Sand 1.^ „ 



' Upper Park Farm, 



Gravel 5 ,, 



London Clay 59 „ 



"Woolwich Beds 57J „ 



Chalk. 



Cheshunt. Engine House. 



Surface Earth 1 ^ feet. 



Gravel 8 



London Clay 47 



"Woolwich Beds 51 



Chalk. 



Chorley "Wood. Parsonage. 



Clay 60 



Flints 2 



Chalk. 



Elstree. 



London Clay 183 



"Woolwich Beds 19 



Chalk. 



Hadham. Ben-y Green. 



Boulder Clay 20 



Yellow Sand 15 



Brown Clay 25 



Chalk. 



Harefield Park. 



Gravel 5 



"Woolwich Beds 17 



Hertford. Haileybury College. 

 To Chalk 150 



HiTCHiN. Brewery. 



Made Ground 3 



Drift 77 



Chalk. 



HoDDESDON. Brewery. 



Gravel 20 



London Clay J _„ 



"Woolwich Beds J '" 



Chalk. 



■ New River Company. 



Soil 1 



Valley Drift 23 1 



Chalk. 



Waltham Cross. 



Mould : 2 



Valley Drift 14 



London Clay 40 



"Woolwich Beds 51 



"Watford. L. & N. "W. Railway. 



Surface-earth 2 



Clay 8 



Gravel 2 



Chalk. 



"WoRMLEY. Nunsbury. 



Made Ground & Gravel 6 



London Clay 27 



"Woolwich Beds 47^ 



"West End. 



Surface-earth 1 



Loam 9 



London Clay 22 



"Woolwich Beds 40 



Chalk. 



"WoRMLEY End. 



To Chalk 100 



