OF ARKANSAS. \$\ 



No. 40. Water from a well on J. P. Harris 3 farm, dug through shell- 

 marl of the Loess into gravel below. 

 Contains a considerable amount of 

 Bi-carbonate of lime, and 

 Bi-carbonate of magnesia. 



No. 47. Water from a well on Thos. McElrath's farm, sunk in the bot- 

 tom land, Jackson county. 

 Contains small quantities of 

 Bi-carbonate of lime, and 

 Bi-carbonate of magnesia. 

 The test with chloride of gold showed the presence of a trace of or- 

 ganic matter. 



No. 48. Water of White river, taken at Jacksonport, Jackson county. 

 The water contains not inconsiderable a quantity of 



Bicarbonate of lime; only traces of 



Bi-carbonate of magnesia, and 



Chlorides. 



No. 49. Water from a well on Mr. Cobb's farm, Oil Trough bottom, 6 

 miles west of Jacksonport. 

 Contains small quantities of 



Bi-carbonate of lime, and 



Bi-carbonate of magnesia, and a comparatively large amount of 



Chlorides. 



No. 50. Water of North fork of White river, taken at Mr. Ware's mill, 

 Izard county. 



Contains considerable quantities of 



Bi-carbonate of lime, and 



Bi-carbonate of magnesia. 



No. 51. Water from a spring, being one of the heads of Big creek, 

 taken near J. Young's farm, Marion county. 

 Contains a large amount of 

 Bi-carbonate of lime, and 

 Bi-carbonate of magnesia. 



No. 52. Water of the "Mammoth Spring," head of main Spring river, 

 Fulton county. 



