PHYSICAL FEATTJEES OF THE REGION. 



Table showing altitudes of drift surface and rock floor, etc. — Continued. 



11 



County, 



Morgan 



Scott 



Pike 



Calhoun 



Jersey 



Greene 



Macoupin ... 

 Montgomery 



Madison 



Bond 



Fayette 



ErBngham... 



Jasper 



Crawford ... 

 Lawrence ... 



Richland 



Clay 



Marion 



Clinton 



St. Clair .... 



Monroe . 



Randolph ... 

 Washington. 



Perry 



Jefferson 



Wayne 



Edwards 



AVabash 



White 



Hamilton ... 



Franklin 



Jackson 



Williamson . 



Saline 



Gallatin 



Hardin 



Pope 



Massac 



Johnson 



Union 



Alexander... 

 Pulaski 



Highest 

 point. 



737 

 714 

 880 

 810 

 830 



(?) 

 740 

 750 

 650 

 675 

 650 

 680 

 660 

 590 

 500 

 590 

 650 

 650 

 570 

 758 

 750 

 712 

 580 

 575 

 620 

 540 

 560 

 615 

 590 

 616 

 550 

 860 

 750 

 864 

 810 

 810 



,047 

 550 

 800 



Lowest 



known rock 



surface 



(345) 

 (345) 



325 - 

 (300)- 

 (300) 

 (300) 



440 - 



527 



284 



351 



405 



476 - 



395 - 

 350 



(345) 

 385 - 



396 - 

 379 

 375 - 

 284 

 350 - 

 340 - 

 375 - 

 380 - 

 415 - 

 368 - 

 344 - 



344 - 

 323 - 

 340 - 

 375 - 

 318 - 

 370 - 



345 - 

 240 

 290 - 

 280 - 

 270 - 

 330 - 

 260 - 

 270 - 

 270 - 



Range in 

 drift sur- 

 face. 



324 



304 

 472 



240 

 220 

 269 

 225 

 215 

 204 

 250 

 190 

 109 

 205 

 254 

 215 

 192 

 383 

 390 

 372 

 202 

 190 

 205 

 172 

 190 

 250 

 267 

 276 

 170 



(?) 



(?) 



(?) 



(?) 



Range in 

 rock sur- 

 face. 



(320) 

 (292) 



475 + 

 (475)+ 

 (500) 

 (316) 



232 + 



135 



316 



249 



195 



174 + 



205 + 



200 

 (145) 



125 + 



204 + 

 256 

 125 + 

 451 



390 + 

 335 + 



205 + 

 195 + 

 185 + 

 162 + 

 216 + 

 271 + 

 267 + 

 276 + 

 125 + 

 532 + 

 380 + 



519 + 

 570 



520 + 

 767 + 

 280 + 

 470 + 

 725 + 

 349 + 

 219 + 



