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Unformatted text preview: Till o Material Deposited directly by ice Moraine: ridge of till Stratified Drift o Sediment deposited by melt water Glacial erratics o Large boulders found in till or sitting surrounded by random land Lacustrine: Lake Fluvial: River Eolian: Wind Water Most important erosional agent Moves because of gravity! (moves toward sea level) Why do rivers cut into the land surface? More Work to flow over land to sea Least amount of work would be flow straight down Lab review on Sunday with Adam...
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- Spring '07