58  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Campbell  (Marius  R. )—  Continued. 
11.  Recent  work  in  the  bituminous  coal  field  of  Pennsylvania. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  270-275,  1903. 
Discusses  the  general  structure  and  relations  of  the  coal,  natural  gas,  and  oil  bearing  beds. 
12.  Borax  deposits  of  eastern  California. 
U.  S.  Geol.  Surv.,  Bull.  no.  213,  pp.  401-405,  1903. 
Describes  the  occurrence  and  utilization  of  borax  deposits  in  this  area. 
13.  Basin-range  structure  in  the  Death  Valley  region  of  southeastern  California. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  302,  1903;  Sci.  Am.  Suppl.,  vol.  55,  p.  22660,  1903;  Ana., 
Geol.,  vol.  31,  pp.  311-312,  1903. 
14.  Pocono  rocks  in  the  Allegheny  Valley. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  942,  1903. 
15.  Conglomerate  dikes  in  southern  Arizona. 
Am.  Geol.,  vol.  33,  pp.  135-138,  2  pis.,  1904. 
Describes  the  general  geologic  structure  of  the  region,  the  occurrence  and  character  of  the 
dike,  and  the  source  of  its  material. 
16.  The  Deer  Creek  coal  field,  Arizona. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  240-258,  1  fig.,  1904. 
Describes  location,  stratigraphy,  and  geologic  structure  of  the  field,  the  character  and  occur- 
rence of  coal  seams,  and  the  composition  and  value  of  the  coal. 
17.  The  Meadow  Branch  coal  field  of  West  Virginia. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  330-341,  1  fig.,  1904. 
Describes  location  of  the  field,  the  stratigraphy  and  geologic  structure,  the  character  and 
occurrence  of  the  coal  beds,  the  quality  of  the  coal  and  the  mining  developments.    Includes 
a  short  report  by  David  White  on  the  fossil  plants. 
18.  Latrobe  folio,  Pennsylvania. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  110,  1904. 
Describes  physiographic  features,  the  general  geologic  structure  and  history  of  the  area,  the 
character  and  occurrence  of  Devonian  and  Carboniferous  strata  and  Quaternary  deposit 
and  the  mineral  resources,  chiefly  coal.  » 
19.  Glacial  erosion  in  the  Finger  Lake  region,  New  York. 
Abstract:  Science,  new  ser.,  vol.  19,  pp.  531-532,  1904. 
Discusses  the  origin  of  the  present  physiographic  features  of  this  region. 
20.  Hypothesis   to   account   for   the   transformation  of   vegetable  matter  into  the 
different  grades  of  coal. 
Econ.  Geol.,  vol.  1,  pp.  26-33,  1905. 
21.  The  classification  of  coals. 
Am.  Inst.  Mg.  Engrs.,  Bi-Mo.  Bull.,  no.  5,  pp.  1033-1049,  1905. 
Campbell  (Marius  R. )  and  White  (David). 
1.  The  bituminous  coal  field  of  Pennsylvania. 
See  White  (David)  and  Campbell  (M.  R.),  1. 
Campbell  (Marius  R.),  White  (David),  and  Haseltine  (Robert  M.). 
1.  The  northern  Appalachian  coal  field. 
See  White  (David),  Campbell  (M.  R.),  and  Haseltine  (R.  M.),  1. 
Camsell  (Charles). 
1.  The  region  southwest  of  Fort  Smith,  Slave  River,  N.  W.  T. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1902,  pp.  149-167,  1903. 
Contains  observations  on  the  geology  of  the  region  examined. 
2.  Country  around  the  headwaters  of  the  Severn  River. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1904,  pp.  143-152,  1  map,  1905. 
Includes  observations  on  the  geology  of  the  region  examined. 
Capilla  ( Alberto) . 
1.  Los  yacimientos   de  fierro  de  ' '  Tatatila, ' '   Canton  de  Jalapa,  E.  de  Vera  Cruz 
[Mexico]. 
Secretaria  de  Fomento  [Mexico],  Bol.,  2a  epoca,  afio  3,  no.  10,  II,  pp.  535-542,  1904;  Soc.  Cient. 
Ant.  Alz.,  Mem.  y  Rev.,  t.  19,  pp.  341-346,  1904. 
Decribes  the  character  and  occurrence  of  iron-ore  deposits  in  the  state  of  Vera  Cruz,  Mexico. 
