van  HisE.l  LAKE    SUPERIOR    REGION.  205 
i29Notes  on  the  Geology  of  Northern  Wisconsin,  E.  T.  Sweet.  Trans.  Wis.  Acad,  of 
Sci.,  1875-76,  vol.  m,  pp.  40-55. 
130  Note  on  the  Age  of  the  Crystalline  Rocks  of  Wisconsin,  R.  D.  Irving.  Am.  Jour. 
Sci.,  3rd  ser.,  vol.  xm,  1877,  pp.  307-309. 
131  Report  of  Progress  and  Results,  for  the  year  1875,  O.  W.  Wight.  Geol.  of  Wis- 
consin, vol.  ii,  1873-77,  pp.  67-89. 
132  Geology  of  Eastern  Wisconsin,  T.  C.  Chamberlin.  Ibid.,  pp.  93-405,  with  3 
atlas  maps. 
133  Geology  of  Central  Wisconsin,  R.  D.  Irving.  Ibid.,  pp.  409-636,  with  2  atlas 
maps. 
134  On  the  Geology  of  Northern  Wisconsin,  R.  D.  Irving.  Ann.  Rept.  Wisconsin 
Geol.  Survey  for  the  year  1877,  pp.  17-25. 
135  Report  on  the  Eastern  part  of  the  Penokee  Range,  T.  C.  Chamberlin.  Ibid.,  pp. 
25-29. 
136  General  Geology  of  the  Lake  Superior  Region,  R.  D.  Irving.  Geol.  of  Wiscon- 
sin, vol.  in,  pp.  1-24.  Geology  of  the  Eastern  Lake  Superior  District.  Ibid.,  pp. 
51-238,  with  6  atlas  maps.  Mineral  Resources  of  Wisconsin.  Trans.  Am.  Inst.  Min. 
Eng.,  vol.  viii,  1880,  pp.  478-508,  with  map.  Note  on  the  Stratigraphy  of  the  Huronian 
Series  of  Northern  Wisconsin,  and  on  the  Equivalency  of  the  Huronian  of  the  Mar- 
quette and  Penokee  Districts.     Am.  Jour.  Sci.,  3d  ser.,  vol.  xvn,  1879,  pp.  393-398. 
137  Huronian  Series  west  of  Penokee  Gap,  C.  E.  Wright.  Geol.  of  Wisconsin,  vol. 
in,  pp.  241-301,  with  an  atlas  map. 
138  Geology  of  the  Western  Lake  Superior  District,  E.  T.  Sweet.  Ibid.,  pp.  303- 
362,  with  an  atlas  map. 
139  Geology  of  the  Upper  St.  Croix  District,  T.  C.  Chamberlin  and  Moses  Strong. 
Ibid.,  pp.  363-428,  with  2  atlas  maps. 
140  Geology  of  the  Menominee  Region,  T.  B.  Brooks.  Ibid.,  pp.  430-599,  with  3 
atlas  maps. 
141  Geology  of  the  Menominee  Iron  Region  (Economic  Resources,  Lithology  and 
Westerly  and  Southerly  Extension),  Charles  E.  Wright.  Ibid.,  pp.  666-734. 
142 The  Quartzites  of  Barron  and  Chippewa  counties,  Moses  Strong,  E.  T.  Sweet,  F. 
H.  Brotherton,  and  T.  C.  Chamberlin,  Geol.  of  Wisconsin,  vol.  iv,  1873-79,  pp.  573-581. 
143 Geology  of  th!   tUpper  Flambeau  valley,  F.  H.  King.  Ibid.,  pp.583-615. 
144CrystallineR^  ksof  the  Wisconsin  Valley,  R.  D.  Irving  andC.  R.  Van  Hise.  Ibid., 
pp.  623-714. 
l4S General  Ge<Jf>gy  (of  Wisconsin),  T.  C.  Chamberlin,  Geol.  of  Wisconsin,  vol.  I,  pp. 
3-300,  with  an  ^  Jas  map. 
146Lithology  of  Wisconsin,  R.  D.  Irving.    Ibid.,  pp.  340-361. 
147  Transition  from  the  Copper-bearing  series  to  the  Potsdam,  L.  C.  Wooster,  Am. 
Jour.  Sci.,  3d  ser.,  vol.  xxv'n,  pp.  463-465. 
148  Mode  of  Deposition  of  the  Iron  Ores  of  the  Menominee  Range,  Michigan,  John 
Fulton.   Trans.  Am.  Inst.  Min.  Eng.,  vol.  xvi,  pp.  525-536. 
149  Report  of  the  State  Geologist  on  the  Metalliferous  Region  bordering  on  Lake 
Superior,  Henry  H.  Eames.    St.  Paul,  1866,  pp.  21. 
150  Geological  Reconnaissance  of  the  Northern,  Middle  and  other  Counties  of  Min- 
nesota, Henry  H.  Eames.    St.  Paul,  1866,  pp.  58. 
151  Notes  upon  the  Geology  of  some  portions  of  Minnesota,  from  St.  Paul  to  the 
western  part  of  the  State,  James  Hall:  Trans.  Am.  Phil.  Soc,  vol. xm,  new  series, 
pp.  329-340. 
152  Report  on  the  Geological  Survey  of  the  State  of  Iowa,  containing  Results  of 
Examinations  and  Observations  made  within  the  years  1866,  1867,  1868,  and  1869, 
Charles  A.  White.     Des  Moines,  1870,  pp.  391. 
163  First  Annual  Report  Geological  and  Natural  History  Survey  of  Minnesota,  N. 
H.  Winchell,  pp.  129. 
)MThe  Geology  of  the  Minnesota  Valley,  N.  H.  Winchell.  Second  Report  on  the 
Geol,  and  Nat.  Hist.  Survey  of  Minn.,  pp.  127-212. 
