1930 Nautical Chart of Upper Saginaw River Michigan1930 Nautical Chart of Upper Saginaw River Michigan 24" x 30" or 30" x 36" Full Color Map Reproduction Plotted on Heavy Weight Archival Matte Paper or Fine Art Canvas. Canvas has an additional one inch white border all the way around for mounting if needed. This map shows shore line detail, water depths, towns, roads, buildings, place names, light houses, historical places, and more. This map is shipped safely in a map tube! Great for display &