40  BIBLIOGKAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Blatchf or  d  ( John )  — Contin ued . 
2.  The  Bald  Mountain  district  in  the  Black  Hills.     A  description  of  the  flat  forma- 
tion and  some  of  the  ore  bodies  found  in  connection  with  it. 
Mines  &  Minerals,  vol.  24,  p.  394,  1904. 
Describes  the  occurrence  of  gold-ore  deposits. 
Blatchley  (W.  S.). 
1.  Oolite  and  oolitic  stone  for  Portland-cement  manufacture. 
Ind.  Dept.  of  Geol.  and  Nat.  Res.,  25th  Ann.  Rept.,  pp.  322-330,  1901.    Abstract:  Stone,  vol.  22, 
pp.  532-536,  1901. 
Describes  the  occurrence  and  characters  of  the  materials  in  Indiana. 
2.  The  petroleum  industry  in  Indiana  in  1900. 
Ind.  Dept.  of  Geol.  and  Nat.  Res.,  25th  Ann.  Rept.,  pp.  481-527,  and  map,  1901. 
Discusses  the  origin  of  petroleum  oil  and  contains  notes  on  its  occurrence  in  Indiana. 
3.  The  mineral  waters  of  Indiana:  their  location,  origin,  and  character. 
Ind.  Dept.  Geol.  &  Nat.  Res.,  26th  Ann.  Kept.,  pp.  11-158,  19  pis.,  1903. 
4.  On  the  petroleum  industry  in  Indiana  in  1901. 
Ind.  Dept.  Geol.  &  Nat.  Res.,  26th  Ann.  Rept.,  pp.  303-331,  1903. 
5.  Gold  and  diamonds  in  Indiana. 
Ind.  Dept.  Geol.  &  Nat.  Res.,  27th  Ann.  Rept.,  pp.  11-47,  4  pis.,  3  figs.,  1903. 
Describes  glacial  history  in  Indiana  and  discusses  the  occurrence  of  gold  and  diamonds  in 
glacial  drift  deposits. 
6.  The  petroleum  industry  in  Indiana  in  1903. 
Ind.  Dept.  Geol.  &  Nat.  Res.,  28th  Ann.  Rept.,  pp.  79-209,  2  pis.,  3  figs.,  1904. 
Describes  the  geologic  occurrence  of  petroleum  and  natural  gas,  the  geologic  structure  of  the 
oil  fields  of  Indiana,  and  in  detail  the  production  of  and  exploration  for  oil  by  counties. 
7.  The  lime  industry  in  Indiana. 
Ind.  Dept.  Geol.  &  Nat.  Res.,  28th  Ann.  Rept  ,  pp.  211-257,  4  pis.,  2  figs.,  1904. 
8.  The  clays  and  clay  industries  of  Indiana. 
Ind.  Dept.  Geol.  &  Nat.  lies.,  29th  Ann.  Rept.,  pp.  13-657,  1905. 
[ncludes  notes  on  the  geologic  occurrence  and  character  of  clays  in  Indiana. 
Blatchley  (\V.  S. )  and  Ashley  (George  H.), 
1.  The  lakes  of  northern  Indiana  and  their  associated  marl  deposits. 
Ind.  Dept.  of  Geol.  &  Nat.  Res.,  25th  Ann.  Rept.,  pp.  31-321,  7  pis.,  70  figs.,  1901. 
Describes  the  characteristics  ami  origin  of  these  lakes  and  the  occurrence,  formation,  and 
uses  of  the  marl  beds. 
Blatchley  (W.  S. )  and  Sheak  (W.  II.). 
1.  Trenton  rock  petroleum. 
Sci.  Am.  Suppl.,  vol.  55,  p.  22775,  1903. 
Discusses  occurrence  and  origin  of  petroleum  in  Trenton  rock. 
Bleining-er  (Albert  Victor). 
1.  The  manufacture  of  hydraulic  cements. 
Ohio  Geol.  Surv.,  4th  ser.,  Bull,  no  3,  391  pp.,  81  figs.,  1904. 
Ineludes  a  discussion  of  the  occurrence  and  character  of  clays  and  other  materials  in  Ohio 
suitable  for  the  manufacture  of  cementv 
Boehmer  (Max). 
1.  Some  practical  suggestions  concerning  the  genesis  of  ore  deposits. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  34,  pp.  449-453,  1904. 
[Bogdanovic  (Karl  Ivanovic)]. 
1.   [Sketch  of  Nome.] 
St.  Petersburg,  116  pp.,  illus.,  1901.     [Russian.] 
Boggild  (O.  B.). 
1.  On  ilvaite  from  Siorarsuit  at  Julianehaab,  Greenland. 
Meddelelser  om  Groenland,  vol.  25,  pp.  43-89,  32  figs.,  1902;  Copenhagen  Univ.,  Min.  and  Geol. 
Mus.,  Cont.  to  Min.,  no.  1, 1902. 
