FOR    THE    YEARS    1901-1905,   INCLUSIVE.  139 
Gordon  (Charles  H.) — Continued. 
6.  The  work  of  rivers. 
Northwest  Jour,  of  Education,  vol.  15,  no.  7,  pp.  3-6,  2  figs.,  1904. 
Discusses  erosion  and  sedimentation  by  running  waters. 
Gordon  (Reginald). 
1.  Bones  of  a  mastodon  found. 
Science,  new  ser.,  vol.  16,  p.  594,  1902. 
Describes  the  occurrence  of  remains  of  a  mastodon  near  Newburgh,  New  York. 
2.  Tree  trunks  found  with  mastodon  remains. 
Science,  new  ser.,  vol.  16,  p.  1033,  1902. 
Describes  occurrence  of  remains  of  trunks  of  trees  near  Newburgh,  New  York. 
Gorham  ( Frederic  P. ) . 
1.  The  Cambrian  deposits  of  North  Attleboro,  Mass. 
The  Apteryx,  vol.  1,  pp.  53-58,  2  pis.,  1905;  Roger  Williams  Park  Museum,  Providence,  R.  I. 
Bull.  no.  9,  6  pp.,  2  pis.,  1905. 
Describes  the  occurrence  of  Cambrian  strata  at  this  locality  and  gives  figures  of  fossils  con- 
tained in  them. 
Gottschalk  (A.  L.  M.). 
1.  Gold  fields  of  eastern  Nicaragua. 
U.  S.  Dept.  Comm.  and  Labor,  Daily  Consular  Reports,  no.  1774,  pp.  2-9,  1903. 
Describes  the  occurrence  and  production  of  gold. 
Gould  (Charles  Newton). 
1.  Notes  on  the  fossils  from  the  Kansas-Oklahoma  Red  Beds. 
Jour.  Geol.,  vol.  9,  pp.  337-340,  1901. 
Gives  a  description  of  the  character  of  the  Red  Beds  and  of  the  evidences  on  which  they  have 
been  assigned  to  the  Permian.    Refers  to  fossils  recently  found  in  the  beds. 
2.  Notes  on  the  geology  of  parts  of  the  Seminole,   Creek,   Cherokee,   and   Osage 
Nations. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  11,  pp.  185-190,  1901. 
This  paper  is  a  contribution  to  the  Red  Beds  problem  of  the  region,  and  indicates  that  the 
strata  are  of  Permian  and  Carboniferous  age. 
3.  Tertiary  springs  of  western  Kansas  and  Oklahoma. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  11,  pp.  263-268,  1901. 
Describes  the  occurrence  of  those  springs  at  the  contact  between  the  Tertiary  and  the  under- 
lying Cretaceous  or  Red  Bed  strata. 
4.  Notes  on  the  Kansas-Oklahoma-Texas  Gypsum  Hills. 
Am.  Geol.,  vol.  27,  pp.  188-190,  1901. 
Describes  the  geologic  features  of  the  region  and  discusses  the  age  of  the  beds. 
5.  The  Dakota  Cretaceous  of  Kansas  and  Nebraska. 
Kans.  Acad.  Sci.,  Trans.,  vol.  17,  pp.  122-178,  9  pis.,  1901. 
Gives  a  historical  sketch  of  work  on  the  Dakota  group,  describes  its  geographic  distribution, 
character,  occurrence,  and  relations,  its  economic  products,  and  the  general  characteristics 
of  its  fauna  and  flora.    Iucludes  a  bibliography. 
6.  On  the  southern  extension  of  the  Marion  and  Wellington  formations. 
Kans.  Acad.  Sci.,  Trans.,  vol.  17,  pp.  179-181,  1901. 
Describes  their  character  and  occurrence  in  Oklahoma. 
7.  The  Oklahoma  salt  plains. 
Kans.  Acad.  Sci.,  Trans.,  vol.  17,  pp.  181-184,  1901. 
Describes  the  geologic  formations  of  the  region  and  the  occurrence  and  character  of  the  salt 
plains. 
k8.  Oklahoma  limestones. 
Stone,  vol.  23,  pp.  351-354,  1901. 
Contains  notes  on  the  occurrence  and  character  of  the  limestones. 
