Gravely Shoal Lighthouse
Au Gres, MI. Lake Huron

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GRAVELY SHOAL LIGHT

State: MICHIGAN
Location:                                                                                       Nearest City:
County:
U.S.C.G. District:

Year Station Established:

Existing Historic Tower:

• Year Light First Lit:
• Is the Light Operational?
• Date Deactivated: N/A
• Automated:
• Foundation Materials:
• Construction Materials:
• Markings/Patterns:
• Shape:
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• Tower Height:
• Original Optic:
• Year Original Lens Installed:
• Present Optic:
• Year Present Lens Installed:
• Height of Focal Plane:
• Fresnel Lens Disposition:
• Has tower been moved?

Previous Tower(s):
1. Construction Date:
Description:
Fate/Disposition:

Modern Tower?

Existing Sound Signal Building?

Existing Keepers Quarters?

Other Structures:

Current Use:

Owner/Manager:

Open to the Public?

Non-NPS Web Site:

National Register Status:                                                                                                    Name of Listing:
On State List/Inventory? ; Year Listed:

Miscellaneous: