Frank H Quinn

• Great Lakes monthly hydrologic data
• Great Lakes precipitation by months, 1900-80
• Lake Erie beginning-of-month water levels and monthly rates of change of storage
• Lake Huron beginning-of-month water levels and monthly rates of change of storage
• Lake Michigan beginning-of-month water levels and monthly rates of change of storage
• Lake Ontario beginning-of-month water levels and monthly rates of change of storage