408 INCIDENTS OP TRAVEL. 



Chains. Elevation in Eng. feet 



332.25 410.524 



336.92 To this point national lands 393.216 



340.28 Third limestone rock. Boring 3H feet, water ; 



49 feet, limestone, soft and loose 350.776 



358.50 311.152 



361.40 318.235 



370.55 291.419 



373.85 295.160 



382.86 283.352 



401.04 269.236 



409.30 258.378 



413.51 261.486 



423.75 Water on the surface. Boring 3 feet, sand ; 12 



feet, earth 247.780 



437.55 237.570 



448.90 2.50.370 



464.78 228.237 



477.76 214.695 



489.29 200.530 



Between this and next, boring 5 feet, earth ; 10 



feet, white clay; 11 feet, water ; 38 feet, 

 soft stone. 



506.22 184.511 



510.53 186.869 



519.47 180.244 



533.04 170.161 



543.25 159.311 



545.98 160.411 



553.85 158.736 



In the next six stations the elevations do not differ 



one foot. 



604.82 153.461 



612.62 160.077 



622.54 Water on the surface. Boring 12 feet, sand and 



hard stone. This station is in a hole of the 



Quebrada, very deep 149.553 



627.27 150.052 



630.32 149.336 



634.20 157.102 



638.86 147.044 



643.31 154.785 



685.55 143.343 



661.35 155.076 



