102 A NEW FLOEA OF 



Limestone attains the height of 488 feet at its highest point west 

 of Newbottle. 



This drainage tract includes the heart of the county from east 

 to west, and comprises fully one half its total area. 



ALTITUDES. 



FEET. 



Bench mark, Wearhead... 1104* 



Daddryshield Bridge 939 * 



Bales Rigg 1296* 



Far Rigg 1072* 



Greenfoot Turnpike west 

 of Stanhope 761* 



FBKT. 



Rookhope Mining Office 1146* 



Boltbui-ns Bridge 1074* 



Stanhope Burn Bridge ... 671* 

 Copthill Church 1290 



11. TEES DISTRICT. 



The Tees rises in Cumberland, on the east side of Cross Fell 

 (2901 feet). It first touches Durham at Crook Burn, 5 milea 

 above the Caldron Snout, and for the whole of the remainder of 

 its course forms the southern boundary of the county. This point 

 is 1600 feet above sea-level, surrounded on all sides by desolate 

 dreary moors. There is scarcely a lonelier tract anywhere in 

 England than the expanse of wild moor that fills up the whole 

 area between Alston, Langdon Bridge, and Dufton, 15 miles 

 across in each direction, with hardly a house or a trace of culti- 

 vation to be seen. For 5 miles the river falls but little, but 

 spreads out in a large tarn-like expansion called the Weel, quiet 

 enough for Ranunculus peltatus and Potamogeton rufescens to grow 

 in it. At the Caldron Snout the scene changes. First, the 

 water becomes ruffled by shelves of rock, and then with a rush, 

 the noise of which mingles with the whirr of grouse, and the 

 bleating of mountain sheep far away amongst these lonely hills, 

 the stream breaks a gorge through the great sweep of basalt, 

 forming in doing so a series of broken rapids, leap after leap in 

 tumultuous succession, the brown stream dashed by the first into 

 an angry white foaming torrent rushing from ledge to ledge down 

 a winding rocky channel, till at last it frees itself from the gorge 

 and spreads out, like a ray of light as it issues from a prism, 

 over a back-ground of broken sharp-edged basaltic columns. The 



