Abstract

Foreword

The glacial lake history of New York, as interpreted by the writer, was published many years ago, in the appended list of writings. A stage of deglaciation, or marked ice-border recession, was recognized in central New York, which divided the succession of the ice-impounded waters into two series. That phase was called the episode of “Free Drainage” in paper 10. It was not then recognized as involving the territory west of the Tonawanda Valley, the meridian of Batavia.

Restudy of the glacial inscriptions finds that the low. drainage and deglaciation stage was not sufficiently emphasized in their relations; but that it probably involved the Ontario, Erie and Huron drainage areas. In this view it was a major event in the glacial history. Its relation to the western territory will be considered later in this writing.

It is especially in the interesting matter of the glacial Lake Warren that the . . .

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