Lower Peninsula west shore

The Michigan Geological Survey rockhounding map lists this spot, but marks its rocks as unconfirmed.¹

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.²

A DNR state park.³ 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.²

A DNR state park.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.²

The Michigan Geological Survey rockhounding map lists this spot, but marks its rocks as unconfirmed.¹

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.²

A DNR state park.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.²

The Michigan Geological Survey rockhounding map lists Yooperlite here, marked as uncertain.¹

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.²

The Michigan Geological Survey rockhounding map lists this spot, but marks its rocks as unconfirmed.¹

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.²

Rocks on the Michigan Geological Survey rockhounding map: Petoskey stone, fossils, septarian nodules (lightning stones), unakite, jasper, horn coral, chain coral, hematite, slag, cold-water agate and Yooperlite.¹

Managed through SHARA, the South Haven Area Recreation Authority. "Dogs are allowed on-leash at this beach."⁶

Rules: No rock collecting rule posted by the park; check with the park manager. Managed by South Haven Charter Township.⁶ On the Great Lakes shore below the ordinary high water mark: the same 25 lb limit as on state land, which comes from the DNR rule R 299.922(hh), not from Part 325.² EGLE describes it as covering state-owned and public trust lands.⁷

Rocks on the Michigan Geological Survey rockhounding map: Petoskey stone, quartz, septarian nodules (lightning stones), unakite, crinoid and chalcedony.¹

Open April to October, about 8 am to 15 minutes after sunset. No fee. No dogs on the beach. "Do not climb or tread on the dune."⁸

Rules: No rock collecting rule posted by the park; check with the park manager. Managed by Berrien County.⁸ On the Great Lakes shore below the ordinary high water mark: the same 25 lb limit as on state land, which comes from the DNR rule R 299.922(hh), not from Part 325.² EGLE describes it as covering state-owned and public trust lands.⁷

Open April 1 to October 31, from 8 am to dusk or 10 pm. "No glass containers on the beach", "No camping", and dogs must be leashed.⁹ No rock list from an official source yet.

Rules: No rock collecting rule posted by the park; check with the park manager. Managed by Summit Township.⁹ On the Great Lakes shore below the ordinary high water mark: the same 25 lb limit as on state land, which comes from the DNR rule R 299.922(hh), not from Part 325.² EGLE describes it as covering state-owned and public trust lands.⁷

EGLE names the public beach in Frankfort as a known Petoskey stone collecting locality.¹⁰

Rules: Who owns this beach, and any local rules, have not been confirmed. Check posted signs and ask the land manager before you collect.