Avoca

1961

1:24k

Avoca

1961

1:24k

Roseburg

1961

1:24k

(Map of St. Clair County, Michigan)

1873

Walling, H. F.

1:190k

Croswell

1984

1:100k

Croswell

1984

1:100k

South End of Lake Huron and Head of the St Claire River

1859

Unknown

1:120k

Brockway

1961

1:24k

Brockway

1961

1:24k

Lake Huron Coast Head of St Clair River to Pte Aux Barques and to Port Albert Ontario

1973

NOS Lake Survey Center

1:120k