FOR   THE    YEARS    1901-1905,   INCLUSIVE.  14U 
Haas  (Hippolyt). 
1.  Der  Vulkan.     Die  Natur  und  das  Wesen  der  Feuerberge  im  Lichte  der  neueren 
Anschauungen  fur  die  Gebildeten  aller  Stiinde  in  gemeinfasslicher  Weise 
dargestelit. 
Berlin,  Alfred  Schall  [1904].     340  pp.,  32  pis. 
A  general  discussion  of  volcanic  activity,  its  causes,  nature,  etc.  One  chapter  is  devoted  to 
volcanic  eruptions  in  the  Lesser  Antilles  in  1902. 
2.  Zur  Geologie  von  Canada. 
Petermanns  Mitteilungen,  Bd.  50,  pp.  20-28,  47-55,  1904. 
Haehl  (H.  L.)  and  Arnold  (Ralph). 
1.  The  Miocene  diabase  of  the  Santa  Cruz  Mountains  in  San  Mateo  County,  Cali- 
fornia. 
Am.  Phil.  Soc,  Proc,  vol.  43,  pp.  16-53,  27  figs.,  1904. 
Describes  character  and  occurrence  of  Tertiary  formations  and  included  igneous  rocks,  and 
the  petrographic  characters  of  the  latter.  Includes  lists  of  fossils  contained  in  the  Tertiary 
formations. 
Hag-er  (Lee). 
1.  The  mounds  of  the  southern  oil  fields. 
Eng.  &  Mg.  Jour.,  vol.  78,  pp.  137-139,  180-182,  4  figs.,  1904. 
Describes  the  general  geology  of  the  Gulf  coastal  region  of  Louisiana  and  Texas,  and  the  geo- 
logic structure  of  the  mounds  and  salines,  discusses  the  theories  of  their  origin,  and  pre- 
sents a  new  hypothesis. 
Hague  (Arnold). 
1.  Note    sur    les    phenouienes   volcaniques    Tertiaires    de    la    chaine    d'Absaroka 
[Wyoming]. 
Intern.  Cong.  Geol.,  Compte  Rendu,  viii  session,  pp.  364-365,  1901. 
Halberstadt  (Baird). 
1.  Obituary  notice  of  J.  Peter  Lesley. 
Mines  &  Minerals,  vol.  23,  p.  556,  por.,  1903. 
Hale  (David  J.). 
1.  Marl  (bog  lime)  and  its  application  to  the  manufacture  of  Portland  cement. 
Mich.  Geol.  Surv.,  vol.  8,  pt.  3,  pp.  1-399,  23  pis.,  44  figs.,  1903. 
Describes  occurrence  and  character  of  marl  (bog  lime)  and  discusses  the  theories  of  its 
origin. 
Hall  (Benjamin  M.). 
1.  Water  powers   of   Alabama,    with   an  appendix   on    stream    measurements    in 
Mississippi. 
U.  S.  Geol   Surv.,  Water-Supply  and  Irrigation  Paper  no.  107,  253  pp.,  9  pis.,  9  figs,  1904. 
Includes  a  brief  account  of  the  topographic  and  geologic  features  of  the  State. 
Hall  (Charles  E.). 
1.  Notes  on  a  geological  section  from  Iguala  to  San  Miguel  Totolapa,  State  of  Guer- 
rero, Mexico. 
Soc.  Cient.  Ant.  Alzate,  Mem.  y  Rev.,  t.  13,  pp.  327-335,  2  pis.  (sections),  1903. 
Describes  character  and  occurrence  of  Tertiary  and  Cretaceous  strata  and  of  igneous  rocks 
and  gives  several  sections  showing  the  geologic  relations  of  these  formations. 
Hall  (Charles  M.)  and  Willard  (Daniel  E.). 
1.  Casselton- Fargo  folio,  North  Dakota-Minnesota. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  117,  1905. 
Describes  the  topography,  drainage,  and  general  geology,  the  geologic  history,  including  a 
brief  account  of  Lake  Agassiz,  the  character  and  occurrence  of  Quaternary  deposits,  dis- 
cusses the  underground  water  resources,  and  gives  a  large  number  of  well  records. 
Hall  (Charles  M.),  Todd  (J.  E.)  and. 
1.  Alexandria  folio.  South  Dakota. 
See  Todd  (J.  E.)  and  Hall  (C.  M.),  1. 
