SURVEY    PUBLICATIONS   OX   GYPSUM    AM) 
PLASTERS. 
The  more  important   publications  of  the  United  Stales  Geological 
Survey  on  gypsum  and  plasters  are  included  in  the  following  list: 
A-dams,  <i.  [.,  and  others.     Gypsum  <l<|»>sii>  of  the  United  States.     Bulletin  \'<>. 
l'l':',.     L23  pp.     IDC  I. 
Boutwell,  .1.  M.     Rock  gypsum  :>i   Nephi,  Utah.     In  Bulletin  No.  -'^k  |»]>.   is:}- 
487.      L904. 
I'.i  mi.   I  :     i  and  gypsum  deposits  of  southwestern  Virginia.     In   Bulletin 
13,  pp.   106    H6.      L903 
Orton,    E      Gypsum  or  land   plaster  in  Ohio.     In  Mineral    Resources   I  .   S.  fol 
L887    pp.  506  601.      L888. 
I'm  hardson,  G.  B.     Salt,  gypsum,  and  petroleum  in  trans-Pecos  Texas.     In  Bull 
Letin  No.  260,  pp.  573  585.     L905. 
Si]  Bi  \iii\i     I  .  E.     Gypsum     i  the  I  ncompahgre  region,  Colorado.     In  Bulletin 
No.  285,  pp.   101-  in:'..      L906. 
Gypsum  deposits  of  the  Laramie  district,  \\\  uning.     In  Bulletin  .No.  285j 
pp.  KM    105.      L906. 
266 
