ON THE CIRCULATION OF UNDERGROUND WATERS. 361 
Messrs. Holts’ Brewery, Cheetham, Manchester. 
Surface-level 170 feet above Ordnance datum. Well 90 feet in depth ; 
made some years ago. 
Ft, in. Ft. in. 
60 0 WELL, details not known . 2 3 ; eh Tatty 10) 
90 0 WELL fsandstone . : : : : oe watt 0) 
143 0 Boring sandstone . : ; ; : = bo 0 P. beds, 
157 O Sandstone with aie : : ‘ : - 14-50 258 ft 
163 0 Redmarl . : ; : : : : 6 0 j 
240 0 Sandstone hard . 3 - : 5 - BPEL | 
258 0 Sandstone softer . ‘ : : é : sy Asy O) 
368 0 Redmarl . ‘ : : , : : 5 LOG) 
370 6 Grey apemetaic : ; ; ; ; : 2 0 : 
399 0 Redmarl. Pe ee oer 
408 0 Red marl with grey bands . : : : : 9 0 161 ft 
408 6 Hard greyrock . - : - ; a, : 0 6 r 
419 0 Redmarl . : : ‘ : : ; o LO eG 
526 0 Redsandstone . : ‘ é 4 ; ee LOT 10) 
526 0 
Abstract :-— 
Ft. in 
Sandstone, pebbly or hard . : F ‘ . 258 0 
Marls, some sandy bands. : ; : = at6i- 0 
Sandstone . : - 2 : . : SLO a 
526 0 
At 368 feet the water stood at 80 ft. 8 in. from the surface, at 419 feet 
it stood at 78 ft. 6 in. 
Abstract of Mr. Wood's boring at Medlock Vale, Hast of Manchester. 
Ft. in. Rt. ad. 
26 6 Glacial drift . 26 0 
49 6 Triassic sandstone . 23 0 
295 0 Permian marl, with limestone and gypsum : 245 6 
718 10 Permian sandstone 4 : : 5 . 423 10 
862 5 Coal measures : ; : - 5 . « £4 hel 
The details of the following twelve well-borings are given by Mr. 
Arthur Timmins, Assoc. Inst.C.E., F.G.S., of Messrs. Timmins & Sons, 
Bridgewater Foundry, Runcorn. 
Section of Boring for L. and N.W. Railway, Heaton Chapel. 
Progressive Thickness of 
Strata Depths Strata 
Ft. in Ft. in 
Bonlder clay . c % F Baa oe : 10", 0 10) 20 
Permian sandstone.  . ; : ; . Koo O 65 O 
Permian marl. : : : ; ‘ ; 8 0 10 0 
Permian sandstone . 4 : ; 3 : 315 0 230 O 
Water 60 feet down. 
