PUBLICATIONS    ON    MICA,    GRAPHITE,    ETC.  597 
Raboeg,  W.  A.     Buhrstones.     In  Mineral  Resources  IT.  S.  for  L886,  pp.  581-582. 
1887. 
Grindstones.      In  Mineral  Resources  U.  S.  for  1886,  pp.  582-585.     1887. 
Corundum.     In  Mineral  Resources  TT.  S.  for  1886,  pp.  585-586.     1887. 
Read,  M.  C.     Berea  grit.     In  Mineral  Resources  U.  S.  for  1882,  pp.  478-479. 
1883. 
Turner,  (J.  M.     Novaculite.     In  Mineral  Resources  U.  S.  Tor  1885,  pp.  433-436. 
1886. 
Novaculites  and  other  whetstones.     In  Mineral  Resources  U.  S.  for 
ISSd.  pp.  589-594.     1887. 
Ulrich.   E.  O.,  and  Smith,  W.   S.  T.     Lead,  zinc,  and  fluorspar  deposits  of 
eastern  Kentucky.     In  Bulletin  IT.  S.  Geol.  Survey  No.  213,  pp.  205-213.     1903. 
