^•Xi, 





to. 



ir«- 



f 



'^i 



the 



I 



ar. 



t 



^^ l^nds 



^0(11, 



sh 



') 



bk 



nowled 



= too lo 



G 



e 



I 



Ih 



\vfor 



er 



grounds 



"r Situations 



li 



::i th 



enew 



Ipring in [\ 



t 



'^n ui a 



pier; 



; aiid in bor. 

 ards deep, the 

 f'"uedtofl 



ritity 



ow 



f 



From 



11 p'^'T Derby, 



exlfted, y 



-r times found 



thatSt.Alk- 



jrh enough 



ik 



rrf> 





IC 



ology con- 

 a the bot- 



of wa- 



perbj 

 a wis 



fnrrou 



jantity 



in 



,'cnt 

 leter 



. Dear 



an 







fn^ 



Sect. XI. i. 12. 



AND WATERING. 



267 



Bridge has 



funk a well for the ufe of his fleam-engine about 



which pafles through the fame upper 



200 yards from the form-., . - ^ 



ftratum of mad, and is three feet ia diameter at the bottom, and fup 

 plies, when required, a hundred hogftieads >n a day. 



2. The knowledge of this part of geology leads o anoth 

 purpofe, the difcovery of fprings ■ ---SJ.^'f ,f ^^^"^ 



f^- 



ful 



pretended to 

 and in France 

 of the primev 

 r ai fed 



poffefs fecret or myftical intelligence both in England 



When the eminences of a country were raifed 



ocean by fubterraneous 



fi 



fome of them were 



ly equally 



all fide 



lik 



th 



imeftone mou 



at. 



Brdo:: h, Le;;efte;^ire ; in which the central ftratum may be feen 



to ft^nd nearly erecl or vertical, and thofe on all fides at conf.derable 



cSon. Other mountains were abruptly broken off on one de 



only from the adjoining earth, like thofe which form the h.gh 



Matlock 



w 



hich 



by the Derwent fid 



fe wjth one of their fides perpendicular as a wall 

 fo that the ftrata of the former of thefe mou 



may 



Id 



be reprefented, as before 

 be made on fome folds of pap 



ment 



was thruft through them 



and th 



ed, by the bur, which 

 f a very hard blunt inflru- 



by raifing up one 



edcre of fuch folds of pape 



fo as to incline the whole of it at fo 



ale with the h 

 As the 

 dined flrata 



fift of the water, which flides between thele 

 'ident, that in fome eminences of ground they 



jy to be met with 



fide of the mou 



d in other 



of ground on all fides of it. In fearching for fprings th 



ftraTtentio„°(hould be given to the inclinationof the ftrata of that 

 part of the country, which may be often feen m marl-pits, gravel- 



,w lanes. Bat they may in general be found above 



pits, or in 



holl 



ny moift or moraffy plain or valley 



moifture of which (h 



th 



fprings exift in the ftrata on that fide of the mou 



A fecond obfervation for th 



purpofe of deteaing fprings may be 



tnade on mifty evenings 



thofe parts 

 M m 2 



f the ground, where the 



mlft 



