Related Clues:

• Wet floor?
• Large depression for water
• Superior's low point
• Fossil site, perhaps
• Water mattress is perhaps a low point
• Site of some silt
• Silt setting
• Superior floor, e.g
• Erie's bottom
• An anchor may reach it
• Erie's bottom, e.g
• Locale for many a sunken boat
• Bottom of pool bishop splits leaked fluid