CLASSIFICATION  OF  THE  PUBLICATIONS  OF  THE  UNITED  STATES  GEOLOGICAL 
SURVEY. 
[Bulletin  No.  285.] 
The  serial  publications  of  the  United  States  Geological  Survey  consist  of  (1)  Annual 
Reports,  (2)  Monographs,  (3)  Professional  Papers,  (4)  Bulletins,  (5)  Mineral 
Resources,  (6)  Water-Supply  and  Irrigation  Papers,  (7)  Topographic  Atlas  of 
United  States — folios  and  separate  sheets  thereof,  (8)  Geologic  Atlas  of  the  United 
States — folios  thereof.  The  classes  numbered  2,  7,  and  8  are  sold  at  cost  of  publica- 
tion; the  others  are  distributed  free.  A  circular  giving  complete  lists  may  be  had  on 
application. 
Most  of  the  above  publications  may  be  obtained  or  consulted  in  the  following  ways: 
1.  A  limited  number  are  delivered  to  the  Director  of  the  Survey,  from  whom  they 
may  be  obtained,  free  of  charge  (except  classes  2,  7,  and  8),  on  application. 
2.  A  certain  number  are  delivered  to  Senators  and  Representatives  in  Congress,  for 
distribution. 
3.  Other  copies  are  deposited  with  the  Superintendent  of  Documents,  Washington, 
D.  G,  from  whom  they  may  be  had  at  practically  cost. 
4.  Copies  of  all  Government  publications  are  furnished  to  the  principal  public 
libraries  in  the  large  cities  throughout  the  United  States,  where  they  may  be  con- 
sulted by  those  interested. 
The  Professional  Papers,  Bulletins,  and  Water-Supply  Papers  treat  of  a  variety  of 
subjects,  and  the  total  number  issued  is  large.  They  have  therefore  been  classified 
into  the  following  series:  A,  Economic  geology;  B,  Descriptive  geology;  C,  System- 
atic geology  and  paleontology;  D,  Petrography  and  mineralogy;  E,  Chemistry  and 
physics;  F,  Geography;  G,  Miscellaneous;  H,  Forestry;  I,  Irrigation;  J,  Water  stor- 
age; K,  Pumping  water;  L,  Quality  of  water;  M,  General  hydrographic  investiga- 
tions; N,  Water  power;  0,  Underground  waters;  P,  Hydrographic  progress  reports. 
This  paper  is  the  seventy-third  in  Series  A,  the  complete  list  of  which  follows 
(PP=Professional   Paper;  B=Bulletin;  WS= Water-Supply  Paper): 
SERIES  A,  ECONOMIC  GEOLOGY. 
B  21.  Lignites  of  Great  Sioux  Reservation:   Report  On  region  between   Grand  and  Moreau  rivers, 
Dakota,  by  Bailey  Willis.     1885.     16  pp.,  5  pis.     (Out  of  stock.) 
B  46.  Nature  and  origin  of  deposits  of  phosphate  of  lime,  by  R.  A.  F.  Penrose,  jr.,  with  introduction 
by  N.  S.  Sbaler.     1888.     143  pp.     (Out  of  stock.) 
B  65.  Stratigraphy  of  the  bituminous  coal  field  of  Pennsylvania,  Ohio,  and  West  Virginia,  by  I.  C. 
Wbite.    1891.    212  pp.,  11  pis.     (Out  of  stock.) 
B  111.  Geology  of  Big  Stone  Gap  coal  field  of  Virginia  and  Kentucky,  by  M.  R.  Campbell.     1893.     106 
pp.,  6  pis.     (Out  of  stock.) 
B  132.  The  disseminated  lead  ores  of  southeastern  Missouri,  by  Arthur  Winslow.     1896.     31  pp.     (Out 
of  stock.) 
B  138.  Artesian-well  prospects  in  Atlantic  Coastal  Plain  region,  by  N.  H.  Darton.      1896.     228  pp.,  19 
pis. 
B  139.  Geology  of  Castle  Mountain  mining  district,  Montana,  by  W.  II.  Weed  and  L.V.  Pirsson.    1896. 
164  pp.,  17  pis. 
B  143.  Bibliography  of  clays  and  the  ceramic  arts,  by  J.  C.  Branner.     1896.     114  pp. 
B  164.  Reconnaissance  on  the  Rio  Grande  coal  fields  of  Texas,  by  T.  W.  Vaughan,  including  a  report 
on  igneous  rocks  from  the  San  ( larlos  coal  field,  by  E.  C.  E.  Lord.     1900.     100  pp.,  11  pis.     (Out 
of  stock. ) 
B  178.  El  Paso  tin  deposits,  by  W.  H.  Weed.     1901.     15  pp.,  1  pi. 
B  180.  Occurrence  and  distribution  of  corundum  in  United  States,  by  J.  II.  Pratt.     1904.     98  pp.,  14  pis 
(Out  of  stock;  see  No.  269.) 
I 
