Eastern Upper Peninsula

The DNR says rock collectors come to this park's Lake Superior shoreline to pick rocks, especially agates.¹ EGLE also names Muskallonge State Park, north of Newberry, as a favorite agate place.²

Rules: State park land (DNR). The state limit applies: no more than 25 pounds of rocks, mineral specimens and invertebrate fossils per person per year.³

A DNR state park on a Lake Superior bay.⁴ Which rocks turn up here is not yet in our checked sources.

Rules: State park land (DNR). The state limit applies: no more than 25 pounds of rocks, mineral specimens and invertebrate fossils per person per year.³

A river mouth, not an open-lake beach.⁵ Which rocks turn up here is not yet in our checked sources.

Rules: State park land (DNR). The state limit applies: no more than 25 pounds of rocks, mineral specimens and invertebrate fossils per person per year.³

The DNR describes "a small amount of rocky shoreline ... along Lake Huron".⁶ Which rocks turn up here is not yet in our checked sources.

Rules: State park land (DNR). The state limit applies: no more than 25 pounds of rocks, mineral specimens and invertebrate fossils per person per year.³ This spot is the park's own DNR shoreline only. The Mackinac Bridge Authority shoreline next to the park is not DNR land, so the state park rules above do not cover it.⁶

Lake Superior shore at the campground. The DNR says: "Visitors can cross the Two Hearted River via a suspension bridge on the west side of the campground to reach the shores of Lake Superior."⁷ Rocks on the Michigan Geological Survey rockhounding map: unakite, chert, granite, quartz, rhyolite, amygdaloidal basalt, hematite, epidote, gneiss, Jacobsville sandstone, chalcedony, Yooperlite, Omar, Mary Ellen jasper, jaspilite, Lake Superior agate, jasper, banded iron formation and Kona dolomite.⁸

Rules: State forest campground (DNR). The state limit applies: no more than 25 pounds of rocks, mineral specimens and invertebrate fossils per person per year.³