Wrap it in a sheet use hammer rock large book etc to break up and then bundle the old sheet into the trash can.
How to safely take off sheet of glass from table.
Always wear gloves with rubber coated palms.
Two to lift two to receive.
Heavy plastic bags would probably work well.
Place the other end on the ground on top of the paper or tarp.
Use your upper hand without a cup as a guide hand to maintain balance.
If the stump or concrete block is 12 inches high the glass will rest at an approximate angle of 5 degrees.
If so as your other contributors suggest.
You should be able to barely get 1 corner away from the surface underneath it.
Dig down with your fingernails until you find the bottom of the tempered glass.
Lift 1 corner of the glass with your fingernails.
If the glass is heavy use a suction cup for your lower hand.
Therefore it must be either laminated glass two layers of glass with a clear interlayer between them which it adheres to or ordinary annealed glass.
Mark clement moving big glass up staging requires four workers.
Exactly what i was going to suggest.