meteorites? meteowrong?

i went around with a standard round magnet wrapped in baking paper, and i moved it around just above some roadside stormwater gutters. it picked up some debris. the large piece in the photo is long and obviously pitted with some clear-ish structure on the end. some of the others are pitted as...

What is this bizaar rock I found in my backyard.

Ive aways had an interest in meteorites, and have done some research, Both rocks are/were covered in a crust and have thumbprints, First sample was found while camping at the lake, the second was found at the other side of the lake 10 min away. Thanks for the view!