frame repairs

hi guys, I was under my el Camino the other day looking at the frame and it looks like swiss cheese. Does anyone know of a frame from another g-body that would work? Also, does anyone have a frame available in the New Hampshire area? just want to put the vehicle back on the road. :sneaky:

My trunk is rotted in the usual problem area behind the driver's side wheel well. Surprisingly the dealer undercoating saved my frame rails so I don't have to patch/replace them. My question is which pieces do I need to order to completely rebuild the mount and floor? It looks like I need both...

Ok guys I've read a few threads and noticed a lot of questions regarding the proper repair of frames. Sense I do heavy collision for a living and once and awhile I lop off the unrepairable I figured Nex time I do I'll take some pictures and explain. Please keep in mind I'm explaining frame...