438  PRE-CAMBRIAN    ROCKS    OF    NORTH    AMERICA.  [still. ai 
r86RepoTt  on  the  Geology  of  North  Carolina,  conducted  under  the  direction  of  the 
Board  of  Agriculture,  Denison  Olmsted.     Part  1,  pp.  3-44. 
187  Report  on  the  Geology  of  North  Carolina,  Denison  Olmsted.  Papers  on  Agri- 
cultural subjects;  conducted  under  the  direction  of  the  Board  of  Agriculture,  part 
2,  Raleigh,  1825,  pp.  87-141. 
188  On  the  Geology  of  the  Gold  Region  of  North  Carolina,  Elisha  Mitchell.  Am. 
Jour.  Sci.,  1st  ser.,  vol.  xvi,  1829,  pp.  1-19,  with  a  map. 
189  Elements  of  Geology,  with  an  outline  of  the  Geology  of  North  Carolina,  Elisha 
Mitchell.     1842,  pp.  141,  and  a  map. 
190  Geological  Report  of  the  Midland  Counties  of  North  Carolina,  Ebenezer  Em- 
mons. New  York  and  Raleigh,  1856,  pp.  xx  and  347;  map  and  12  plates.  See  also, 
Report  on  the  Geological  Survey  of  North  Carolina,  Raleigh,  1852,  pp.  182,  Ex. 
Doc.  No.  13 ;  Report  of  progress  of  the  present  state  of  the  Geological  and  Agricul- 
tural Survey  of  the  State  of  North  Carolina,  for  1855. 
191  Report  of  the  progress  of  the  Geological  Survey  of  North  Carolina,  1866,  W.  C. 
Kerr.     Raleigh,  1867,  pp.  56. 
192  Report  of  the  Geological  Survey  of  North  Carolina,  W.  C.  Kerr,  vol.  i,  pp.  325, 
120.  See  also  Second  Report  of  State  Geologist  of  North  Carolina.  Raleigh,  1869, 
pp.  57. 
193  The  Tin  Deposits  of  North  Carolina,  John  H.  Furman,  Trans.  N.  Y.  Acad.  Sci., 
vol.  viii,  pp.  136-145. 
194  Fifth  Geological  Report  on  the  State  of  Tennessee,  Gerard  Troost.  Nashville, 
1840,  pp.  44,  with  3  maps. 
195 On  the  Geology  of  the  Western  States  of  North  America,  David  Dale  Owen. 
Quart.  Jour.  Geol.  Soc,  London,  vol.  II,  pp.  433-447,  with  a  geological  chart. 
196  A  Sketch  of  the  Geology  of  Tennessee,  with  a  description  of  its  minerals  and 
ores,  and  of  its  soils  and  productiveness  and  Paleontology,  Richard  O.  Currey. 
Knoxville,  1857,  pp.  128  and  vi,  and  a  map. 
197  Geology  of  Tennessee,  James  Merrill  Safford.  Nashville,  1869,  pp.  551,  with  a 
map.  See  also  by  the  same  author,  First,  Second,  and  Third  Biennial  Reports,  1856, 
1857,  1859.     A  Geological  Reconnaissance  of  the  State  of  Tennessee. 
198 On  the  Silurian  age  of  the  Southern  Appalachians,  Frank  H.Bradley.  Am. 
Jour.  Sci.,  3d  ser.,  vol.  ix,  pp.  279-288,  370-383. 
"*  The  age  of  the  Southern  Appalachians,  John  B.  Elliot.  Ibid.,  vol.  xxv,  1883, 
pp.  282-298. 
200  Report  of  the  Commencement  and  Progress  of  the  Agricultural  Survey  of  South 
Carolina  for  1843, 'Edmund  Ruffin.     Columbia,  1843,  pp.  1-98. 
201  Report  on  the  Geology  of  South  Carolina,  M.  Tuomey.  Report  of  the  Geologi- 
cal Survey  of  South  Carolina,  Columbia,  1846,  pp.  293,  with  a  map.  See  also  Report 
on  the  Geological  Survey  of  South  Carolina;  Report  on  the  Geological  and  Agricul- 
tural Survey  of  South  Carolina,  Columbia,  1844,  pp.  63. 
202  First  Annual  Report  on  the  Progress  of  the  South  Carolina  Survey  for  1856, 
Oscar  Montgomery  Lieber.     Columbia,  1858,  pp.  133. 
203  Second  Annual  Report  on  the  Progress  of  the  Survey  of  South  Carolina  for  1857, 
Oscar  Montgomery  Lieber.     Columbia,  1858,  pp.  145. 
204  Third  Annual  Report  on  the  Survey  of  South  Carolina,  Oscar  Montgomery  Lie- 
ber, pp.  223  with  a  map. 
205  A  contribution  to  the  geologic  chronology  of  the  Southern  Alleghanies,  Oscar 
M.  Lieber.     Proc.  Am.  Assoc.  Adv.  Sci.,  12th  meeting,  1858,  pp.  227-230. 
206  Geological  and  mineralogical  account  of  the  mining  districts  in  the  State  of 
Georgia,  western  part  of  North  Carolina,  and  of  east  Tennessee,  Jacob  Peck.  Am. 
Jour.  Sci.,  1st  ser.,  vol.  xxiii,  1833,  pp.  1-10;  with  a  map. 
207  Report  of  a  geological  and  agricultural  survey  of  Burke  and  Richmond  counties, 
Georgia,  John  Ruggles  Cotting.    Augusta,  1836,  pp.  198. 
