Spring Leaf Removal

I have a '88 S10 Blazer that I would like to remove a couple of the rear spring leaves from. I'm hoping that I can get some pointers before I tear into this.
How are the leaves held together? Are they bolted or riveted together? I've converted the Blazer into a 2 seat roadster, and there is way too much rebound in the rear, I get air going over bumps! 4 leaves are too many, I think 2 will be fine. Thanks in advance for any assistance.
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