354  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Weed  (Walter  Harvey)— Continued. 
30.  Occurrence  and  distribution  of  copper  in  the  United  States. 
Mg.  Mag.,  vol.  10,  pp.  185-193,  1  pi.,  10  figs.,  1904. 
Describes  the  occurrence,  formation,  and  geologic  relation-;  o.'  copper  ores  in  various  parts  of 
the  United  States. 
31.  Dilation  fissures  and  their  contained  ores. 
Abstract:  Science,  new  ser.,  vol.  20,  p.  7(31,  1904. 
32.  The  Great  Flat  at  Butte,  Montana. 
Am.Geol.,  vol.  35,  pp.  129-130,  1905. 
A  brief  note  on  physiographic  features  of  this  region. 
33.  Cement  resources  of  Montana. 
U.S.Geol.  Surv.,  Bull.  no.  243,  pp.  227-228,  1905. 
Describes  the  occurrence  and  character  of  limestones  suitable  for  cement  manufacture. 
34.  Copper  mines  near  Havana,  Cuba. 
Eng.  &  Mg.  Jour.,  vol.  79,  pp.  176-177,  1905. 
Describes  the  occurrence  and  character  of  copper-ore  deposits  in  Cuba. 
35.  Notes  on  the  gold  veins  near  Great  Falls,  Maryland. 
U.S.  Geol.  Surv.,  Bull.  no.  260,  pp.  128-131, 1905. 
Describes  the  character  and  occurrence  of  veins  containing  gold  ore,  and  the  conditions  ih 
which  it  is  found. 
36.  The  copper  production  of  the  United  States. 
U.S.  Geol.  Surv.,  Bull.  no.  260, pp.  211-216,  1  fig.,  1905. 
Discusses  production  and  consumption  of  copper,  and  the  character,  occurrence,  and  produc- 
tion of  copper  ores  in  the  United  States. 
37.  The  copper  deposits  of  the  eastern  United  States. 
U.S.  Geol.  Surv.,  Bull.  no.  260,  pp.  217-220,  1905. 
Describes  the  occurrence  and  character  of  copper-ore  deposits  of  the  Appalachian  region,  par- 
ticularly those  of  Virginia  and  Tennessee. 
38.  Economic  value  of  hot  springs  and  hot-spring  deposits. 
U.S.  Geol.  Surv.,  Bull.  no.  260,  pp.  598-604, 1905. 
Describes  general  uses  of  hot  springs,  and  particularly  the  limonite  and  travertine  deposits 
of  the  Anaconda  hot  springs  and  the  gypsum  veins  and  waters  of  Hunters  Hot  Springs, 
Montana. 
39.  Notes  on  certain  hot  springs  of  the  southern  United  States. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  145,  pp.  185-206,  3  figs.,  1905. 
Includes  noteson  the  geologic  relations  of  the  thermal  waters  of  Meriwether  County,  Georgia, 
and  of  Hot  Springs,  Arkansas. 
Weed  (Walter  Harvey)  and  Pirsson  (L.  V.). 
1.  Geology  of  the  Shonkin  Sag  and  Palisade  Butte  laccoliths  in  the  Highwood  Moun- 
tains of  Montana. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp.  1-17,  10  figs.,  1901. 
Describes  the  physiography  of  the  region,  the  occurrence  and  character  of  the  laccoliths,  and 
the  chemical  characters  of  the  shonkinite  and  syenite. 
2.  Missourite,  a  new  leucite  rock  from  the  Highwood  Mountains  of  Montana. 
Yale  Bicentennial  publications.    Cont.  to  Mineral,  and  Petrog.,  pp.  457-466,  1901.    (From  Am. 
Jour.  Sci.,  4th  ser.,  vol.  2,  pp.  315-323,  1896.) 
Weeks  (Fred  Boughton). 
1.  An  occurrence  of  tungsten  ore  in  eastern  Nevada. 
U.  S.  Geol.  Surv.,  21st  Ann.  Rept.,  pt.  6,  pp.  319-320,  1901.    Abstract:  Eng.  and  Mg.  Jour., 
vol.  72,  pp.  8-9,  1901. 
2.  Gold-bearing  quartzites  of  eastern  Nevada. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  546,  1902. 
3.  Bibliography  of  North  American  geology,  paleontology,  petrology,  and  mineral- 
ogy for  the  years  1892-1900,  inclusive. 
U.  S.  Geol.  Surv.,  Bull.  no.  188,  717  pp.,  1902. 
