ft'ARMAN.]  MAP,    GEOL.    OF  (l()WA       MASSACHUSETTS).  171 
-Map,  geologic,  of  Maryland;  Baltimore  gabbro  area Bull  28,  pp  73-74 
of  Maryland;  Baltimore  region;  features  of  underground  waters Bull  138, 
pp  136-137 
Catoctin  belt  in  Pennsylvania,  Virginia,  West  Virginia,  and Ann  14, 
ii,  pp  308-309 
Tertiary  base-level  in Ann  14,  n,  pp  376-377 
Chesapeake  Bay,  head  of,  showing  distribution  of  Columbia  forma- 
tion   Ann  7,  pp  552-553 
Eocene  strata  in  Delaware,  Virginia,  and Bull  141,  pp  12-13 
Fredericksburg  quadrangle;  areal  ge<  tlogy GF  13 
granites  in  central,  distribution  of Ann  15,  pp  692-693 
Newark  areas  in  New  York,    New    Jersey,    Pennsylvania,   Virginia, 
and Bull  85,  pp  20-21 
Potomac  formation  in  District  of  Columbia  and   portions  of  Virginia 
and Bull  145,  pp  14-15 
Harpers  Ferry  quadrangle;  areal,  economic,  and  structural  geology GF  10 
Nomini  quadrangle;  areal  geology  and  distribution  of   water-hearing 
formations GF  23 
Piedmont  quadrangle;  anal,  economic,  and  structural  geology GF  28 
underground  water,  distribution  of,  in  Virginia  and Bull  L38,pp  162-163 
features  of,  in  District  of  Columbia  and Bull  L38,  pp  L58-159 
relations  of,  in  Coastal  Plain  region  of  Delaware  and Bull  139, 
pp  118-119 
Washington  (D.  C.)  quadrangle;  areal,  economic,  structural,  physio- 
graphic   GF  70 
of  Massachusetts;  Cape  Ann,  showing  distribution  of  dikes,  etc Ann  9, 
pp  610-611 
Cape  Ann,  showing  distribution  of  glacial  scratches,  etc \nn  9,  pp  '106-607 
showing  superficial  deposits inn  9-,  pp  608-609 
Cape  Cod  district,  showing  position  of  streams  during  period  of  eleva- 
tion preceding  the  last  <  rlacial  epoch Ann  18,  n,  p  516 
East  Lee Bull  159,  pp  86-87 
Franklin,  Hampshire,  and   Hampden  comities,  showing  surface  geol- 
ogy and  Pleistocene  deposits Mon  xxix,  pocket 
Greylock  and  Hoosac  mountains   Mon  win,  frontispiece 
Holyoke  quadrangle,  showing  superficial,  historical,  economic,  and 
structural  geology GF  50 
Hoosac  Mountain,  west  crest  and  slope  of Mon  xxm,  pp  40-41 
Hoosac  and  Greylock  mountains Mon  xxm,  frontispiece 
Housatonic  quadrangle,  eastern  half  of Bull  159,  pp  102-103 
Marthas  Vineyard ;  surface  geology Ann  7,  pp  308-309 
Millers  River,  showing  rocks  near  mouth  of Mon  xxix,  p  295 
Monument  Mountain Ann  14,  n,  pp  557-558 
Mount  Holyoke-Mount  Tom  range,  showing  posterior  diabase  sheets, 
the  tuff,  and  volcanic  cores Mon  xxix,  pp  446-447 
Nantucket,  Glacial  and  post-Glacial  deposits,  distribution  of .  .Bull  53,  pp  2-3 
Narragansett  Basin,  northern  and  eastern  part Mon  xxxin,  pp  210-211 
showung  distribution  of  metamorphosed  Carboniferous  rocks Mon 
xxxin,  p  120 
showing  distribution  of  Upper  Cambrian  pebbles  in  Rhode  Island 
and Mon  xxxin,  p  110 
southern  part Mon  xxxin,  pp  394-395 
North  Attleboro,  showing  Cambrian  fossil  localities  southwest  of Mon 
xxxin,  pp  386-387 
