CLINTOM    OBES    OF    BIRMINGHAM    DIS  ,  ALABAMA.  137 
Ft.  in. 
Unexposed 
Iron  ore,  sandy    Hickory  N  !    ?    seam  :; 
1. 7 
Sandstone           -      very  ferruginous,  thin  bed 2  3 
Istone,  fine  grained,  very  ferruginous,  thin  bed :;  '.i 
Sandstone,  eoars              ginous,  with  beds               Idaseam) in  3 
Sandstone,  medium  bedded,  (       -          10  (j 
1 
Shale 7  .; 
Unexposed :  1  9 
Sandstone,  heavy  bed 2  5 
Iron  ore,  coarsely  siliceous    Big  seam  :  top  10  feet  minable l»i  10 
7  8 
rOre 1  ii 
Iron  ore    Irondah  seam  \  Shale 7 
'-Ore 1  1 
Sandstone 1  0 
Unexposed,  covered  by  shaly  sandstone  debris 50  1 
Sandstone,  massive,  with  shaly  partings 24  1 
Sandstone,  thin  bed 5  7 
Unexposed ...      4  6 
Sandstone,  thin  bed 5 
Unexposed ..  4  6 
Sandstone,  thin  bed 3  7 
Unexposed 7 
Sand-tone  thin  bed 3  7 
Unexposed 5  8 
Shale,  sandy 7 
Unexposed,  c<  vered  by  red  shaly  sandsb me  debris 35  10 
Limestone  I  Chickamauga  . 
331     0 
■  trmation  in  Walker  Gap,  in  XE.  4  sec.  14.   T.  IS  S.,  R.  3  11". 
Ft.  iu. 
<  !hert    Fori  Pa] 
Shale,  clay,  and  sand    Dev<  >nian  3  10 
Sandstone  massive 16  1<> 
Sandstone  and  shale 13  7 
Shale,  drab  to  pink,  with  thin  creaks  of  sandstone    partly  con- 
aled  by  debris 85  4 
Sandstone  and  shale,  alternating 
Ir<  »n  i  >re    /                      p  8  1       5  f e<  t  minable 24  0 
Sandst<  >ne  and  shale,  with  ore  seams  in  upper  part 13  7 
Debris 50  10 
Shale,    yellow,    red,    and   olive,    with   heavy   sandstones    inter- 
bedded  41  o 
Sandstone,  heavy  bedded 3  5 
Shale,  yellow  and  red 37  4 
-    not  exp ;.  but  within  distance  of  20  feet 20  0 
360     • 
