Then I carried the sack about a hundredyards across the grass and through the willows east of the house, to a shallow lake that was five mile wide and full of rushes--and ducks too, you might say, in the season. There was a slough or a creek leading out of it on the other side that went miles away, I don't know where, but it didn't go to the river. (p. 37) How would you best categorize this description?