FOR    THE    YEARS    1901-1905,   INCLUSIVE.  209 
Lakes  (Arthur) — Continued. 
70.  Schists  and  slates  as  ore  carriers. 
Mg.  &  Sci.  Press,  vol.  88,  pp.  161-162,  1904. 
71.  Ore  in  anticlinals,  as  at  Bendigo,  Australia,  and  Tombstone,  Arizona. 
Mg.  &  Sci.  Press,  vol.  83,  p.  193,  1904. 
72.  The  Lone  Mountain  district,  near  Tonopah,  Nevada. 
Mg.  &  Sci.  Press,  vol.  88,  pp.  246-247,  6  figs.,  1904. 
Describes  physiographic  and  geologic  features  of  the  region  and  the  occurrence  of  silver-ore 
deposits. 
73.  Some  of  the  ore  deposits  of  Colorado. 
Mg.  &  Sci.  Press,  vol.  88,  pp.  377-378,  6  figs.,  1904. 
Describes  the  character  and  occurrence  of  some  ore  deposits. 
74.  Ore  shoots  and  veins  that  do  not  come  to  the  surface. 
Mg.Rep.,  vol.  50,  pp.  55-56,  2  figs.,  1904. 
Describes  occurrences  of  ore  bodies. 
75.  Organic  remains  in  ore  deposits. 
Mg.  Rep.,  vol.  50,  pp.  113-114,  1904. 
76.  Ore  deposition  in  the  cement  of  rocks. 
Mg.  Rep.,  vol.  50,  p.  140,' 1904. 
77.  Volcanic  craters  and  ore  deposits. 
Mg.  Rep.,  vol.  50,  pp.  216-217,  1904. 
78.  Shear  zones  or  zones  of  impregnation  vs.  true  quartz  fissure  veins. 
Mg.Rep.,  vol.  50,  pp.  295-296,  1904. 
Discusses  the  character  of  veins  containing  ore.  deposits. 
79.  The  Rocky  Mountain  coal  fields. 
Mg.  Rep.,  vol.  51,  pp.  .5-7,  2  figs.,  1905. 
80.  The  coal  fields  of  Colorado. 
Mg.  Rep.,  vol.  51,  pp.  73-74,  3  figs.,  1905. 
81 .  The  anthracite  situation  in  Colorado. 
Mg.  Rep.,  vol.  51,  pp.  98-99,  1905. 
82.  Coal  along  the  eastern  foothills. 
Mg.  Rep.,  vol.  51,  pp.  127-128,  1905. 
83.  The  geology  and  coal  deposits  of  the  Spanish  Peaks  district. 
Mg.  Rep.,  vol.  51,  pp.  184-185,  4  figs.,  1905. 
84.  The  La  Plata  or  southwestern  Colorado  coal  field. 
Mg.  Rep.,  vol.  51,  pp.  212-213,  2  figs.,  1905. 
85.  Coals  of  the  southern  Colorado  or  the  Walsenburg  and  Trinidad  region. 
Mg.  Rep.,  vol.  51,  pp.  234-235,  1  fig.,  1905. 
86.  Disturbances  and  other  peculiarities  of  the  northeastern  coal  field  of  Colorado 
between  Ralston  Creek  and  Boulder. 
Mg.  Rep.,  vol.  51,  pp.  326-328,  3  figs.,  1905. 
87.  The  Grand  River  coal  field  [Colorado]. 
Mg.  Rep.,  vol.  51,  pp.  379-381,  2  figs.,  1905. 
88.  The  \'ampa  coal  field  of  Routt  County,  Colorado. 
Mg.  Rep.,  vol.  51,  pp.  404-405,  2  figs.,  1905. 
89.  The  South  Park  coal  field  [Colorado]. 
Mg.  Rep.,  vol.  51,  pp.  428-429,  2  figs.,  1905. 
90.  Geology  of  the  hot  springs  of  Colorado  and  speculations  as  to  their  origin  and  heat. 
Mg.  Rep.,  vol.  51,  pp.  479-481,  1905. 
91.  Sketch  of  the  economic  resources  of  the  foothills  of  the  front  range  of  Colorado. 
Mg,  Rep.,  vol.  51,  pp.  622-524,  1  fig.,  1905,. 
Bull,  301—06—14 
