370 MAPS AND SECTIONS. 



Yorkshire. 17 Sheets of the Geological Survey Map. Scale 6 inches 

 to a mile. 



Sheet 100. By J. Lucas. (Masham Moor, Ilton cum Pott.) Post 

 Glacial Beds (3 divisions), Glacial Deposits (2 divisions), Millstone 

 Grit (many divisions ; grits, sandstones, and shales) ; Yoredale Rocks 

 (limestone) ; a few lead-veins. 



Sheet 216. By J. C. Ward, J. Lucas, C. F. Stangways, and R. 

 Russell. (Bradford, Low Moor, Shelf, Thoruton.) Alluvium, Boulder 

 Clay, L. Coal Measures (with many faults, coal- outcrops, and 8 heds of 

 sandstone, etc.), Millstone Grit. 



Sheet 217. By J. C. Ward, J. Lucas, and R. Russell. (E. edge of 

 Bradford, Pudsey.) Alluvium, Boulder Clay, M. and L. Coal Measures 

 (with many faults, coal-outcrops, heds of sandstone, etc.) 



Sheet 218. By J. C. Ward and R. Russell. (Leeds, Hallon.) 

 Alluvium (4 divisions), M. and L. Coal Measures (with many faults, 

 coal-outcrops, and beds of sandstone and flagstones). 



Sheet 248. By A. H. Green. (Wakefield, Osset, Horhury.) Al- 

 luvium (2 divisions), M. Coal Measures (with many faults, coal-out- 

 crops, and heds of sandstone). 



Sheet 249. By W. T. Aveline, A. H. Green, and T. V. Holmes. 

 (Pontefract, Ackworth, Warmfield.) Alluvium, Boulder Beds, Permian 

 (magnesian limestone), M. Coal Measures (with faults, coal-outcrops, 

 and beds of rock). 



Sheet 261. By A. H. Green, J. C. Ward, and R. Russell. (Kirk- 

 hurton, Skelmanthorpe.) Alluvium, M. and L. Coal Measures (with 

 faults, coal-outcrops, and beds of sandstone). 



Sheet 263. By A. H. Green. (Hemsworth, Badworth, etc.) Al- 

 luvium, M. Coal Measures (with faults, coal- outcrops, and rock- 

 beds). 



Sheet 264. By W. T. Aveline and A. H. Green. (IN'orton, Askern, 

 "Elmsall.) Eecent Deposits (3 divisions), Permian (2 limestones, 1 

 marl). Coal Measures. 



Sheet 275. By A. H. Green and R. Russell. (Thurnscoe, Cud- 

 worth, Darfield.) Alluvium, Gravel, M. Coal Measures (with faults, 

 coal-outcrops, and rock-beds). 



Sheet 283. By A. H. Green and R. Russell. (Bolton and Wath 

 upon Dearne, Swinton, Elsecar.) Alluvium, Boulder Clay, M. Coal 

 Measures (with faults, coal-outcrops, and rock-beds). 



Sheet 284. By W. T. Aveline and A. H. Green. (Mexbrough, 

 Conisbrough, Warmsworth.) Alluvium (2 divisions), Estuary Deposits 

 (sand and warp), Boulder Clay and Gravel, Bunter Sandstone, Permian 

 (2 magnesian limestones, 1 marl), M. Coal Measures (with faults, coal- 

 outcrops, and rock-beds). 



Sheet 290. By W. T. Aveline, A. H. Green, and T. V. Holmes. 

 (Eavenfield, Braithwell, Bramley, Maltby.) Permian (2 limestones, 

 1 marl), M. Coal Measures, with 2 beds of rock. 



Sheet 295. A. H. Green and T. V. Holmes. (Attercliffe, Whiston, 

 Woodhouse.) Alluvium (2 divisions), M. Coal Measures (with faults 

 coal-outcrops, and rock-beds). 



