R. T. Rill — Deep Artesian Boring in Texas. 407 



panying record is entirely of sediments constituting the present 

 sea bottom. 



In the Engineering News of August 11, 1892, Mr. Byrnes, 

 the contractor, published a valuable article on the engineering 

 problems involved, together with the following section illus- 

 trating the character and thickness of the sediments passed 

 through up to that date. Work has since been continued on 

 the well and it is no doubt at present down to three thousand 

 feet : 



Gray sand Oft. 



Red clay, with shells 46 



Red and blue clay with shells 63 



Same with fragments of wood 84 to 100 



Gray and reddish sand, with occasional logs, 84 to 100 



Red clay and shell of 337 338 



Sand with wood and shell 400 



Sand and sandy clay to 



Top of water sand 827 



Water sand, 827 to 882 



Sand (principally) and clay with wood and shell.. 



882 to 1089 



Very hard rock, probably conglomerate 1089 to 1090 



Sanely clay and sand to ... 1 260 



Water sand 1 260 to _ . 1228 



Sandy clay, varying hardness 

 Sandstone 



Water sand 1493 to 1510 



Clay with shell, pebble and lime 1520 



Sand with same clay strata to 



Calcareous sandstone probably 1754 to 1758 



Sand to 1862 



Clay (principally) and sand to 2153 



Clay with shell and wood fragments 2153 to 2196 



Same. Also sand and joint clay to 



Concretionary limestone, probably ..2288 to 2291.5 



Sand and joint clay with shell and wood. 2349 



Water and sand to 2349 



Clay and fine sand 2397 



Red and blue clay . 2425 



Water sand ". ..2425 to 2443 



Red and blue clay and lignite 2443 



Red and blue clay with alternating sand strata 2504 



Water sand and blue clay 2504 to 2567 



Indurated gray sand to 2598 



Blue and red clay, some gravel to 



Very fine gray sand at 2631 to 2637 



Red and blue clay . 2653 



Pale yellow clay 2698 



