wabman.]  DAY DEGRADATION.  277 
Decomposition  area;  effects,  products,  etc.,  in  Nevada,  Washoe  district Mon  in, 
pp  72-80,  209-227, 238-240, 369-372, 383-385 
Decomposition   products  from  Nevada,    Comstock    lode,    chemical  analyses 
of Mon  in,  pp  217-218 
of  eruptive  rocks  of  Colorado,  Silver  Cliff  and  Rosita  Hills -..Ann  17, 
ii,  pp  313-322,  343 
Deep  Creek  beds  of  Montana Bull  84,  pp  287,  288 
Deep  River,  North  Carolina,  flow  of,  measurements  of Ann  21, 
iv,  pp  116-118;  WS  27,  pp  26,  35,  44;  WS  36,  pp  113-114 
Dee])  River  beds  of  Montana,  correlation  of Vnn  18,  n,  p  339;  Bull  84,  p  297 
Deformati* m  in  Mississippi  Valley Ann  11,  i,  pp  336-347 
in  Newark  area  of  Connecticut,  Pomperaug  Valley Ann  21,  m,  pp  83-136 
in  Triassic  area  of  Connecticut Ann  18,  n,  pp  84-143 
movements  of  ruck  materials  under Ann  16,  i,  pp  589-603 
of  New  ark  strata Bull  85,  pp  78-100 
of  geoid  by  loading  and  unloading Mon  r,  pp  376-377,  379-383;  Bull  48 
by  removal,  through  evaporation,  of  the  water  of  Lake  Bonneville  ..Mon  i, 
pp  379-383,  421-424 
(See,  also,  Diastrophism.) 
Deformation  and  deposition,  relation  of Ann  18,  n,  pp  82-83 
Degradation,  agency  of,  in  shaping  topographic  forms.  .Mon  xxn,  pp  110-111, 123-124 
atmospheric Ann  5,  pp  75-76 
base-leveling,  especially  along  New  England  coast... Mon  xxxiii,  pp  42, 47-49,  75 
by  solution Bull  84,  pp  88-89 
cliffs  due  to Vnn  5,  pp  S3-84,  112-115;  Mon  i,  pp  34-35,  75-76 
corrasion  of  <  J  rand  ( Jan  yon  of  the  ( lolorado Ann  2,  pp  156-166 
cycles  of,  in  Triassic  area  of  Connecticut Ann  IS,  ir,  pp  153,  167-168 
drainage  system  of  Grand  Canyon  district  in  relation  to  uplift Mon  n, 
PP  72-74,  187-188, 192-196,  218-220 
elevation  and,  of  the  entire  mountain  and  plateau  region  of  the  West  in 
Tertiary  times Ann  6,  pp  189-191 
Ferrell's  law  of  stream  erosi<  >n Mon  x  x ix,  p  734 
ice  erosion  of  an  isolated  conical  mountain,  general  laws  governing Ann  18, 
ii,  pp  379-385 
illustration  of  process  of TF  2,  p  4 
in  Alaska  in  Tertiary  times Ann  20,  vn,  pp  245-248 
in  Appalachian  province GF  44,  p  1 
in  Arizona-Utah Ann  2,  pp  95-103;  Mon  n,  pp  230-260 
in  Arkansas-Indian  Territory,  1  \ >teau  Mountain  quadrangle TF  2,  p  10 
in  Black  Hills,  stages  of Ann  21,  in,  pp  269-277 
in  ( 'alifornia,  Big  Trees  quadrangle GF  51,  p  7 
Mono  Basin  (Glacial) Ann  8,  i,  pp  347-358 
Piedmont  region,  in  relation  to  uplift Ann  8,  i,  pp  425-426 
in  Coastal  Plain GF  13,  pp  4-5;  GF  23,  p  3 
in  Colorado,  Anthracite  quadrangle GF  9,  p  7 
Aspen  district Mon  xxxi,  p  243 
Denver  Basin,  Pleistocene Mon  xxvn,  pp  256-258,  266-269 
eastern,  with  deposition Ann  17,  n,  pp  575-580 
Fl  k  Mountains GF  9 ,  pp  1 ,  2 
La  Plata  quadrangle GF  60,  p  — 
Leadville  region Mon  xn,  pp  40-44, 126-128 
Pueblo  quadrangle GF  36,  pp  1-2, 5 
San  Juan  region GF  57,  pp  1, 14-15 
West  Denver  quadrangle TF  2,  p  14 
