See Bedrock and Surface Material Descriptions in table below map.
| Geological Material Definitions for Beebe Lake |
Surface Material
Lacustrine silts and clays: Generally laminated clays and silts deposited in lakes at the foot of glaciers. Potentially unstable, these materials are found in variable thicknesses up to 160 feet |
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Bedrock Material
Genesee Group (or Ithaca Formations): These dense, black, bitumous layers with thin bands of gray shales and siltstones are found at elevations of 200 to 1000 feet and may contain pyrites and calcereous sandstones. |