Here are the Great Lakes Handicaps for 2018-2019.

This is the Autumn revision.

The data is here both in PDF and XLS format. 

Great Lakes Handicaps  2018-19.pdf Great Lakes Handicaps 2018-19.pdf
Size : 81.444 Kb
Type : pdf

The Great Lakes Handicaps for previous years can be found here. 

Great Lakes Handicaps  2018-19.xls Great Lakes Handicaps 2018-19.xls
Size : 65.5 Kb
Type : xls