LAKE   SUPERIOR   REGION.  397 
212  Some  results  of  the  late  Minnesota  Geological  Survey,  by  N.  H.  Wiiichell. 
Am.  Geologist,  vol.  32,  1903,  pp.  246-253. 
213  The  geology  of  the  Cuyuna  iron  range,  Minnesota,  by  C.  K.  Leith.  Econ. 
Geology,  vol.  2,  1907,  pp.  145-152. 
214  The  Cuyuna  iron  district  of  Minnesota,  by  Carl  Zapffe.  Unpublished  bach- 
elor's thesis,  Univ.  Wisconsin,  1907. 
215  The  iron-ore  deposits  of  the  Ely  trough,  Vermilion  range,  Minnesota,  by  C. 
E.  Abbott.     Proc.  Lake  Superior  Min.  Inst,  (for  1906),  vol.  12,  1907,  pp.  116-142. 
215a  Geological  history  of  the  Redstone  quartzite,  by  Frederick  W.  Sardeson. 
Bull.  Geol.  Soc.  America,  vol.  19,  1908,  pp.  221-242. 
210  Notes  on  the  geography  and  geology  of  Lake  Superior,  by  John  J.  Bigsby. 
Quart.  Jour.  Sci.,  Lit.  and  Arts,  vol.  18,  1825,  pp.  1-34,  222-269;  with  map. 
217  Outlines  of  the  geology  of  Lake  Superior,  by  H.  W.  Bayfield.  Trans.  Lit. 
and  Hist.  Soc.  Quebec,  vol.  1,  1829,  pp.  1-43. 
218  On  the  junction  of  the  Transition  and  Primary  rocks  of  Canada  and 
Labrador,  by  Captain  Bayfield.  Quart.  Jour.  Geol.  Soc,  London,  vol.  1,  1845, 
pp.  450-159. 
219  On  the  geology  and  economic  minerals  of  Lake  Superior,  by  W.  E.  Logan. 
Kept.  Prog.  Geol.  Survey  of  Canada  for  1846-47,  pp.  8-34. 
220  On  the  geology  of  the  Kaministiquia  and  Michipicoten  rivers,  by  Alexander 
Murray.     Idem,  pp.  47-57. 
221  On  the  age  of  the  copper-bearing  rocks  of  Lakes  Superior  and  Huron,  and 
various  facts  relating  to  the  physical  structure  of  Canada,  by  W.  E.  Logan. 
Kept.  Brit.  Assoc.  Adv.  Sci.,  21st  meeting,  1851,  pp.  59-62,  Trans. ;  Am.  Jour. 
Sci.,  2d  ser.,  vol.  14,  1S52,  pp.  224-229. 
222  On  the  geology  of  the  Lake  of  the  Woods,  South  Hudsons  Bay,  by  Dr.  J.  J. 
Bigsby.  Quart.  Jour.  Geol.  Soc,  London,  vol.  8,  1852,  pp.  400-406.  With  a 
geological  map  of  the  Lake  of  the  Woods. 
223  On  the  physical  geography,  geology,  and  commercial  resources  of  Lake  Su- 
perior, by  John  J.  Bigsby.     Edinburgh  New  Phil.  Jour.,  vol.  53,  1852,  pp.  55-62. 
224  On  the  geology  of  Rainy  Lake,  South  Hudsons  Bay,  by  Dr.  J.  J.  Bigsby. 
Quart.  Jour.  Geol.  Soc,  London,  vol.  10,  1854,  pp.  215-222.  With  a  geological 
map  of  Rainy  Lake. 
225  On  the  geological  structure  and  mineral  deposits  of  the  promontory  of  Ma- 
mainse,  Lake  Superior,  by  John  W.  Dawson.  Canadian  Naturalist  and 
Geologist,  vol.  2,  1857,  pp.  1-12,  with  a  section. 
226  Report  of  progress  of  the  Geological  Survey  of  Canada  from  its  commence- 
ment to  1863,  by  W.  E.  Logan ;  1S63,  pp.  983.    With  an  atlas. 
227  On  the  Laurentian,  Huronian,  and  Upper  Copper-bearing  rocks  of  Lake  Su- 
perior, by  Thomas  Macfarlane.  Rept.  Prog.  Geol.  Survey  Canada,  1863-1866, 
pp.  115-164. 
228  On  the  geological  formations  of  Lake  Superior,  by  Thomas  Macfarlane. 
Canadian  Naturalist,  2d  ser.,  vol.  3,  1866-1868,  pp.  177-202,  241-257. 
229  On  the  geology  and  silver  ore  of  Woods  Location,  Thunder  Cape.  Lake 
Superior,  by  Thomas  Macfarlane.  Canadian  Naturalist,  2d  ser.,  vol.  4,  pp.  37- 
48,  459-463,  with  a  map. 
230  On  the  geology  of  the  northwest  coast  of  Lake  Superior  and  the  Nipigon 
district,  by  Robert  Bell.  Rept.  Prog.  Geol.  Survey  Canada,  1866-1869,  pp.  313- 
364,  with  a  topographical  sketch  map. 
231  Report  on  the  country  north  of  Lake  Superior,  between  the  Nipigon  and 
Michipicoten  rivers,  by  Robert  Bell.  Rept.  Prog.  Geol.  Survey  Canada,  1870  71. 
pp.  322-351.  . 
232  Report  on  the  country  between  Lake  Superior  and  the  Albany  River,  by 
Robert  Bell.     Rept.  Prog.  Geol.  Survey  Canada,  1S71-72,  pp.   KM    111. 
