1...........Limestone
2............Sandstone
3............Ash flows, or plume of ash rain.
4...........Mud slides
5...........Sea floor beds.
6...........algae in lake beds.
7........... Third rock from sun.
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In Lime stone stratas, sand stone, ash flows, ocean Beach walls, slide stratas of the wall, Pete Bogs, Road cuts.
I`m sure you don`t want stores Info. for locations.............
--- I've looked in fields, dry riverbeds and have found some fossils