238 
GEOLOGICAL SURVEY y 
FromyJiames Ganllardis;marlstones=ss ssa. 2228 Soe 93 
« Rock. Creeks meanimnill sort marleeeeeee =. 2 -- == - 94 
et Upper stratum a. seee eee eee eee 95 
ac do. surface marlstones os taser ee sees fae d 93 
“s do. soft marl, with also a notable proportion of green 
Sand 2s. bode ee Se te eee eee as a9 
 “‘Below/and near Nelson's ferry. 5- == = -2 se eee ae ee - 83 
«  Vance’s ferry, Orangeburg, upper layer, taken 25 feet above and 
back: fromthe tivere 2.0 288 e secon oe eee eee 86 
a do. lowest above the river (or 6 feet above low water). -90 
a do. marlstone, layer between the two last-._-.-_.--- 92 
«“  Avinger’s, 25 feet above the river, marl. 25555. ee ee 84 
6 oA. Melder'’s%.< Sa: Seesaw acloe cease ate deers eae e eee 94 
“ Keating Simons’s, softer layer, under the over-hanging shelf of 
marlstone, and near surface of river..----------- 96 
a do. inland and top.of jstratums==---- 22-2. 2-- 32. 82 
> ~.Cavehall, Drs |\Cheyesisseee esos 26 sae Rp ered ee es 86 
do maristone in ‘the cavern. -- so esse ese oe 80 
Hale’s mill, upper layer, Orangeburg, (containing no green sand) 843 
Hale’s mill, lower layer, with about 25 per cent. of green sand, 
(by: the eye) and’carb) lime 2—_ (>see ses: eee oil 
“ a branch of Stout’s Creek, green sand about 20, and carb. lime— 
(highest known exposure near the Santee,)._--.._--- Ba) 
ander layer,ot Jlast:jmarlstone 42 - oa oe lS eee 64 
c= Potatoi@reek,, Sumter,..NelSon}s'marl. 2 .e2-245ane 6 2. yet 91 
“ Heatly Hall, (on Half-way Swamp, Orangeburgh)_----------- 90 
« “; Pinckney/simill-pond ss .22 8. vee oo sess pees = Neecae eee Al 
e- (Pinekney)s-mill dam: 222 ose sess ee eee see acon 69 
“ beneath low water, in Scott’s lake, Sumter-__-----..--.----- 84 
<. Ff. Danizler!s, Charleston (Dist222 ae eee eS eee eee oe 754 
Marts, §:c. of Edisto River and tts tributaries. 
From Slater’s land, one and a half miles above Johnson’s (or Binnaker’s) 
bridge; Barnwell2e-c-js25 42 2 eet ea Soe ne Se tee 3 
“ Johnson’s bridge, near surface and yellowish.....-_._.------ 38 
do. NeamMsuriacesan dablWishs= === oases ae oe 3 
. do. Siiectideepr oar wees Seen ea ean ee eee 31 
“ Walker’s (or Stokes’s) bridge, soft and sandy------_-.-.-.._- 3 
& do. Mar SbONGs see sos tah ee ee ee 87 
On Four-holes Swamp, near head, from Zimmerman’s, and about 5 of 
greenisonde aca See eee e a ao eens 86 
do. John A. Tyler's (formerly Dr. Jamison’s) marl, 
or/sotter parth =o. seen '93 
do. do. marlstones= = - seo ee ee 94 
On Caweaw Swamp, Wannamakeyr’s land.__---..._-.---.=------.- 62 
do. M. Pooser’s (highest exposure found).--..-..._- 26 
Marts, §:c. of Savannah, and its tributaries in Barnwell. 
On a branch of Lower Three Runs, near Boiling spring, Col. Hay’s_-74 
Hromvarspring half.a mile lower: ae sao cee = eee 62 
On main stream of Lower Three Runs, W. Holly’s low ground__-_--- 64 
do. another specimen: ==2-o5-.0- == 3222 eee 62 
Thin, soapy layer, forming the upper surface of the marl, and found in 
different parts of the bed of the creck....---------.--.---- 22 
* This has been used largely for burning lime for sale. 
