Bottle Digging in Michigan

34 researched sites, each with an access tier, evidence tier and site history.

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Algonac (St. Clair River boatbuilding town) · river · Gray area
Allegan (Kalamazoo River mill town) · river · Gray area
Alpena (Thunder Bay lumber and cement port) · mudflat · Gray area
Bay City (Saginaw River lumber port) · mudflat · Gray area
Boyne City hardwood boomtown waterfront · lake · Gray area
Charlevoix (Pine River channel resort town) · lake · Gray area
Cheboygan (Straits lumber port) · lake · Gray area
Detroit (Detroit River port and brewing center) · lake · Gray area
East Jordan iron works arm of the lake · lake · Gray area
Elk Rapids furnace and lumber port · lake · Gray area
Escanaba (Little Bay de Noc ore port) · mudflat · Gray area
Grand Haven (Grand River mouth port) · mudflat · Gray area
Grand Rapids (Grand River furniture city) · river · Gray area
L'Anse Keweenaw Bay mill town · lake · Gray area
Ludington (Pere Marquette lumber and ferry port) · lake · Gray area
Manistee (salt and lumber river port) · lake · Gray area
Menominee (Menominee River lumber port) · mudflat · Gray area
Munising harbor lumber and tannery town · foreshore · Gray area
Muskegon (Lumber Queen on Muskegon Lake) · lake · Gray area
Old lock-town waterfront · lake · Gray area
Old ore-port lakeshore · foreshore · Gray area
Old resort / Lake Michigan glass · lake · Gray area
Ontonagon copper-era Lake Superior port · foreshore · Gray area
Oscoda Au Sable mouth lumber boomtown · river · Gray area
Pentwater lumber-channel lake port · lake · Gray area
Petoskey (Little Traverse Bay resort town) · mudflat · Gray area
Port Huron (St. Clair River shipping hub) · mudflat · Gray area
Port Sanilac Lake Huron dock hamlet · lake · Gray area
Saginaw (Saginaw River lumber boomtown) · river · Gray area
Sault Ste. Marie (St. Marys River locks town) · lake · Gray area
South Haven (Black River fruit and resort port) · mudflat · Gray area
St. Joseph (river-mouth harbor and fruit port) · mudflat · Gray area
Tawas City bay lumber port · lake · Gray area
Traverse City (Boardman River bay town) · mudflat · Gray area