Minor Work Permit. You must have a Minor Work Permit if you employ 1 or more people under 18 years of age. You must also have industrial insurance. Minors arenât permitted to perform some duties, such as handling power tools. For information about restrictions, contact the Department of Labor and Industries.
1 Lake Erie is the twelfth largest lake in the world (in area), and its border includes four states (New York, Pennsylvania, Ohio, and Michigan) and one Canadian Province (Ontario).  Lake Erie is the southernmost, shallowest, warmest, and most biologically productive of the five Great Lakes.
Lake Erie is the shallowest of the Great Lakes, and therefore it is typically the first to warm up during the spring. Lake Superior had much below average ice cover during the 2011-12 winter, as this chart shows.Click on the image for a larger version.redit: GLERL. OK, so the lakeâs average water temperature is still a bracing 68 degrees, but it's considered downright tropical for the region. As the above chart shows, based on the 30-year average, the lakeâs average water temperature should be in the mid-50s.