KAME AREAS IN WESTERN NEW YORK 133 
This drainage system does not seem to have been determined 
by any large north and south depression or other controlling 
topographic features, and it is likely that other slender series of 
kames and eskers may be found in neighboring drumloidal 
valleys. 
IRONDEQUOIT KAME AREA. 
Location and extent— One of the most extensive kame areas 
in western New York occupies the valley of Irondequoit creek, 
stretching from the deep depression of the bay or gorge past 
Pittsford to Fishers in the northwest corner of Ontario 
county. The extreme northern point of the deposit lies ina 
bend south of Allen creek, west of the Irondequoit gorge, where 
the main line of the New York Central Railroad hasa large cut 
and excavation in the sand, which at that point makes a broad, 
high mass. This portion of the sand area and the western edge 
as far south as Pittsford are shown on the Rochester sheet of 
the New York topographic map. From the sand cut to within 
two miles of Fairport the railroad traverses the northern part of 
the kame area, as it swings southeast and east around the Iron- 
dequoit gorge past Penfield station and across the creek, a dis- 
tance in curvature of four and one-half miles. The Auburn 
division of the same railroad passes along the western edge of 
the area, while the Erie canal crosses the area and the Ironde- 
quoit creek on a high embankment in line with an esker, as 
described by Dr. Dryer." 
The entire length of the area from Allen creek to Fishers is 
about nine miles. At the head of the Irondequoit gorge the 
breadth is about three miles, the area being almost entirely upon 
the west of Irondequoit creek, or between that creek and its 
tributary, Allen creek. We have no means of determining how 
much of the northern end of the area has been removed by the 
excavation of the Irondequoit gorge. South to Pittsford the 
remnant of the kame area rapidly narrows, and is restricted to 
the western edge near Pittsford, as the greater breadth on the 
eastern side has been leveled by the waters of lake Iroquois 
*Am. Geol., Vol. V., p. 203. 
