72 REPORT— 1889. 



Appendix I. — Permian and Triasslc Wells. 

 Devonshire. 



Information coUected from Mr. G. W. Ofmerod, F.G.S. Well and Vl-inch 

 boring at the 'ieiijnmouth Local Board Waterivorks, Coombe Vale, N.W. 

 of Tei<jnmouth, sunk btj Mr. ViviAN, C.E., 1887. 



1 



Feet. 



82 



332 



Details not given 



Soft rock (iron cylinders) . 



Conglomerate (bottom of old weU) 



Sandy rock, with angular and sub-angular 



Sandy rock, with pebbles . 



Soft rock, with few pebbles 



Hard rock 



Soft conglomerate 



Soft rock, with fragments . 



Fine red rock {Jirst water in B.H.') 



Fine sandstone, with pebbles . 



Sand, with large pebbles . 



Conglomerate soft 



Fine rock, with pebbles . 



Conglomerate, small pebbles 



Compact conglomerate, hard pebbles 



Sandstone, with pebbles . 



Large pebbles .... 



Sandstone, with pebbles . 



Compact sand, with few pebbles 



Soft sand, with pebbles 



Sand, with few large pebbles {water') 



Eather loose sand, with clay 



Harder rock (water') . 



Soft crumbling rock (no fragments) 



fragment: 



Feet. 

 18 

 20 

 44 

 41 



Of 

 281 



3 

 17 



2 



8 

 11 



3 



7 



2 



3 



1 

 11 



2 



3 



5 



5 



5 

 68 



4 

 20 



Mr. Ormerod states that the volume of water was not much increased 

 by the boring. For details refer to the ' Trans. Devon. Assoc, of Science, 

 Lit., and Art, 1888,' pp. 391-97. 



Worcestershire. 



Information collected hy C. E. De Range from Mr. "Walter T. Latton, C.E. 



1. Burcot Pumping Station of the East Worcestershire Waterworks Company. 

 Xa. Well and bore-hole constructed in 1881. 2. 3. Well, 100 feet; 



bore-hole, 200 — total, 300 feet. 3a. None. 4. When pumping is suspended for six 

 hours, the water rises and overflows the surface. 5. Could obtain 2^- million gallons. 

 Yield at present, pumped down to 70 feet from the surface, 516,000 gallons per day. 

 6. Does not vary. 7. No. 



8. Analysis hj William A. Tilden, D.Sc, F.R.S. Sample talien, April 1881. 



Total dissolved solids 

 Nitrogen in the form of nitrates 

 .1 „ „ nitrites 



Free ammonia .... 

 Chlorine ..... 



Hardness, temporary . 

 „ permanent 



Parts per 100,000. 

 12-250 

 •390 



■003 

 1-300 



2-320 \ 

 3-250/ 



. .„^ / AVater 

 ^"^^ Iturbid. 



