FOR    THE    YEARS    1901-1905,    INCLUSIVE.  185 
Johnson  (Douglas  Wilson) — Continued. 
4.  Geology  of  the  Cerrillus  Hills,  New  Mexico.     Part  I.     General  geology. 
School  of  Mines  Quart.,  vol.  24,  pp.  303-350,  7  pis.,  7  figs.;  pp.  456-500,  10  pis.,  6  figs.,  1903. 
Describes  the  geographic  and  physiographic  features,  reviews  previous  geologic  work  upon 
the  district,  gives  a  detailed  account  of  the  stratigraphy,  mainly  Cretaceous  and  Tertiary, 
areal  geology  and  intrusive  rocks,  discusses  the  physiographic  and  general  geologic  history, 
and  describes  the  character,  occurrence,  and  produciion  of  coal  and  turquoise. 
5.  The  geology  of  the  Cerrillos  Hills,  New  Mexico.     Part  II.     Paleontology. 
School  of  Mines  Quart.,  vol.  24,  pp.  173-240,  11  pis.,  1903. 
Gives  a  brief  description  of  the  geologic  formations  and  faunal  lists  by  localities,  and  system- 
atic descriptions  of  the  fossils  collected. 
6.  The  geology  of  the  Cerrillos  Hills,  New  Mexico.     Part  III.     Petrography. 
School  of  Mines  Quart.,  vol.  25,  pp.  69-98,  5  pis.,  1903. 
Describes  the  occurrence  and  characters,  megascopic  and  microscopic,  of  the  igneous  rocks 
of  this  region. 
7.  Block  mountains  in  New  Mexico. 
Am.  Geol.,  vol.  31,  pp.  135-139,  1  pi.,  1903;  Columbia  Univ.,  Contr.   from  Geol.  Dept.,  vol.  11, 
no.  93, 1903. 
Gives  observations  on  faulting  in  the  block  mountains  of  New  Mexico. 
8.  The  distribution  of  fresh-water  faunas  as  an  evidence  of  dr.  inage  modifications. 
Science,  new  ser.,  vol.  21,  pp.  588-592,  1905. 
9.  The  Tertiary  history  of  the  Tennessee  River. 
Jour.  Geol.,  vol.  13,  pp.  194-231,  9  figs.,  1905. 
10.  The  scope  of  applied  geology  and  its  place  in  the  technical  school. 
Econ.Geol.,  vol.  1,  pp.  243-256,  1905. 
11.  Youth,  maturity,  and  old  age  of  topographic  forms. 
Am.Geog.  Soc,  Bull.,  vol.  37,  pp.  648-653,  3  Jigs.,  1905. 
Johnson  (J.  E.,  jr.). 
1.  Origin  of  the  Oriskany  limonites  [Virginia]. 
Eng.&  Mg.  Jour.,  vol.  76,  pp.  231-232,  1903. 
Describes  the  general  geologic  structure  of  the  region  and  the  occurrence  and  origin  of  the 
iron  ores. 
Johnson  (L.  C. ). 
1.  Underground  waters  of  eastern  United  States:  Mississippi. 
U.S. Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  114,  pp.  171-178,  1  fig.,  1905. 
Describes  briefly  the  geologic  formations  of  the  state  and  their  underground  water  supplies. 
Johnson  (L.  C.)  and  Eckel  (E.  C). 
1.  Notes  on  wells,  springs,  and  general  water  resources  of  Mississippi. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  102,  pp.  332-357,  1904. 
Johnson  (Willard  D.). 
1.  The  high  plains  and  their  utilization. 
U.  S.  Geol.  Surv.,  21st  Ann.  Rept.,  pt.  4,  pp.  601-741,  44  pis.,  29  figs.,  1901.      Abstract:  Jour. 
Geol.,  vol.  9,  pp.  734-737,  1901. 
Discusses  the  origin  and  structure  of  the  region. 
2.  The   high  plains  and   their   utilization.     (Conclusion  of   paper  in  Twenty-first 
Annual  Report,  Part  IV.) 
U.  S.  Geol.  Surv.,  22d  Ann.  Rept.,  pt.  4,  pp.  631-669,  14  pis.,  figs.  236-244,  1902. 
Discusses  the  origin  and  structure  of  the  region,  and  its  water  resources,  especially  the  ground 
water  as  a  possible  source  oi  supply. 
3.  The  profile  of  maturity  in  Alpine  glacial  erosion. 
Jour..  Geol.,  vol.  12,  pp.  569-578,  1904. 
Discusses  physiographic  characteristics  due  to  glacial  erosion  of  the  Sierra  Nevada  Mountains, 
and  the  agencies  by  which  they  were  produced. 
4.  The  grade  profile  in  Alpine  glacial  erosion. 
Sierra  Club  Bull.,  vol.  5,  pp.  271-278,  4  pis.,  1905. 
Reprinted  with  changes  by  the  author,  from  the  Journal  of  Geology,  vol.  12,  pp.  569-578,1904. 
[See  no.  3  above]. 
