556 The Formation of Cape Cod. [September, 
of running water. The descending slopes and consequently the 
currents of the ice on the east and on the west appear to have 
met here ; and when the period of melting came, it was along 
this belt, extending from North Sandwich to Kingston, that the 
largest and most heavily loaded rivers flowed down from the 
departing ice-fields. A great part of their deposits of gravel and 
sand appear to have been laid down in channels and upon open 
areas which still remained walled by ice, but when this disappeared 
they remained in kames or ridges, hills and plateaus, with many 
enclosed hollows. Telegraph hill, about two hundred and seventy- 
five feet in height above the sea, and others seventy-five to one 
hundred feet lower, lying within two or three miles west from the ~ 
south end of the Pine hills, are probably mostly modified drift, 
though overspread with frequent boulders up to ten feet in diam- 
eter. These are short parallel ridges, with a north-to-south trend, 
separated by hollows fifty to seventy-five feet below the crests. 
About Plymouth village the modified drift forms kame-like hil- 
locks and small plains, which are separated by very irregular 
hollows and valleys. The tops of these deposits have a nearly 
uniform height, which varies from one hundred to one hundred 
and twenty-five feet above the sea. Two miles to the west is an 
irregular series of hills, resembling a terminal moraine, which 
reaches some three miles westward, varying in height from one 
hundred and seventy-five or two hundred feet to three hundred 
and thirteen feet at Monk’s hill, in Kingston. Most of these 
appear to be unstratified boulder-drift, but the top and north side 
of Monk’s hill are waterworn gravel and sand with only few 
boulders. 
In the west part of Plymouth level plateaus and plains of modi- 
fied drift prevail, broken by frequent hollows of small area with 
steep sides, containing ponds. These are so numerous that this 
township is said to have a pond for each day in the year. To the 
west and north the greater part of Plymouth county consists of 
similar nearly level or moderately undulating deposits of modified 
drift fifty to one hundred and fifty feet above the sea. These beds- 
of sand and gravel cover the townships of Wareham, Carver, Mid- 
dleborough, Plympton, Halifax, Duxbury, Pembroke, Hanson, 
Hanover, the west part of South Scituate and much of Hingham, 
_ reaching continuously from the angle of the terminal moraine of — 
Cape Cod more than thirty-five miles north-north-westward to the 
