Beaver Island ArchiveA primary-source archive & encyclopedia45°40′N 85°33′W · Lake Michigan
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Nautical charts

Nautical charts: sheets drawn to be navigated by, with soundings, lights and shoal lines. Read at full zoom rather than as a thumbnail — the information is in the numbers. 186 objects, earliest first.

1850s1

1860s2

1870s1

1880s1

1890s6

1900s24

1910s13

1920s14

1930s22

1940s11

1950s14

1960s11