". . . Keuka Lake is an unusual member of the U.S. state of New York's Finger Lakes because it is Y-shaped, instead of long and narrow. Because of its shape, it was referred to in the past as Crooked Lake. Keuka means "canoe landing" in the Iroquois language and "lake with an elbow" in the Seneca language. Keuka Lake empties into another Finger Lake, Seneca Lake, from a stream, called Keuka Lake Outlet, at the lake's northeastern end in Penn Yan, New York. The stream empties into Seneca Lake at the village of Dresden. At one time the outlet was developed into a canal, the Crooked Lake Canal, connecting the lakes. This canal was later replaced by a railroad branch line which is now a hiking and cycling trail.
The lake is about 20 miles (32 km) long and varies in width from a half mile to two miles (1–3 km). The length of the shoreline is about 60 miles (96 km). It has a surface area of 11,730 acres (47 km²), and a maximum and mean depth of 186 feet (57 m) and 101 feet (31 m) respectively. This body of water possesses large and healthy populations of lake trout, brown trout, rainbow trout, landlocked salmon, smallmouth bass, largemouth bass, and yellow perch. The productive fishery is supported by huge numbers of baitfish, most notably alewives (sawbellies), and is a very popular lake with area fishermen. . ."
(from http://www.priweb.org/ed/finger_lakes/nystate_geo3.html)
". . . The Finger Lakes originated as a series of northward-flowing rivers that existed in what is now central New York State. Around two million years ago the first of numerous continental glaciers moved southward from the Hudson Bay area, initiating the Pleistocene glaciation, commonly known as the "Ice age."
The Athabasca Glacier in Alberta, Canada, is an example of a present-day glacier. The "Ice age" was really a series of many advances and retreats of glaciers. The Finger Lakes were probably carved by several of these episodes. Ice sheets more than two miles thick flowed southward, parallel but opposite to the flow of the rivers, gouging deep trenches into these river valleys. Traces of most of the earlier glacial events have vanished, but much evidence remains of the last one or two glaciers that covered New York. The latest glacial episode was most extensive around 21,000 years ago, when glaciers covered almost the entire state. Around 19,000 years ago, the climate warmed, and the glacier began to retreat, disappearing entirely from New York for the last time around 11,000 years ago.
The most obvious evidence left by the glaciers are the gravel deposits at the south ends of the Finger Lakes called moraines and streamlined elongated hills of glacial sediment called drumlins. Moraines are visible south of Ithaca at North Spencer, along Route 13 west of Newfield, and near Willseyville. Drumlins are visible northeast of Ithaca at the northern end of Cayuga and Seneca lakes in a broad band from Rochester to Syracuse. . ."
Keuka
©2013 Raymond M. Jozwiak
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