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NOAA historical nautical charts70-7-1931

LAKE MICHIGAN

Historical chart: Lake Michigan, held by NOAA Office of Coast Survey, 1931.

Lake Michigan (1931), Nautical Chart, scale 240000.

Visual descriptionwritten by a machine · unchecked

A black-and-white nautical chart shows a large inland waterway bordered by detailed shorelines. Numerous depth soundings, navigational lines, compass roses, harbor details, coordinate grids, and information tables fill the sheet. A prominent title and explanatory text appear in the upper-left panel.

A model wrote this. It was shown the image and the catalogue record together, and asked to keep them apart — what it saw is here, what the record told it is under "taken from the record" below. It is still wrong often enough to matter, about who is pictured, where, when, and what is happening. Read it as a way to find the image, never as evidence about it. If you can correct it, please do: write to michael.bommarito@gmail.com, or see how corrections work. Someone who recognises a face or a shoreline knows more than the model did.

NOAA Office of Coast Survey

19,120 × 13,527 px · JPEG · 34.3 MB

Subjects and keywords

Text in the image

Transcribed from the object itself.

NORTH END OF LAKE MICHIGAN
GREEN BAY

Taken from the record

Not observed in the image — supplied by the archive's own catalogue, and repeated here so the two stay distinguishable.

Catalogued as a 1931 nautical chart produced by the NOAA Office of Coast Survey, at scale 1:240,000. It is held in the NOAA Historical Map & Chart Collection and is recorded as public domain.

Could not make out

Stated rather than guessed at.

Small marginal notes, tables, and many chart labels cannot be read at this resolution.

Rights and credit

Public domain (NOAA Office of Coast Survey)

Credit this to NOAA Office of Coast Survey when you use it.

Material goes off the web without anyone deciding that it should: a host lapses, a gallery is retired, a link stops resolving. Holding a copy — with its provenance, its checksum and its holder's terms recorded beside it — is much of why this archive exists. If you are looking for something whose original has since gone, write to michael.bommarito@gmail.com and a full-size copy of what is held here will be sent to you.

Recorded verbatim from the provenance sidecar taken at retrieval — this archive does not restate a holder's terms in its own words, does not add a restriction the holder did not state, and does not abridge one.

Provenance

Held by
NOAA Office of Coast Survey, Historical Map & Chart Collection
Collection
NOAA historical nautical charts
Named on the record
NOAA Office of Coast Survey
Date
1931
Original
https://historicalcharts.noaa.gov/includes/downloadsingle.php?filename=70-7-1931&fileExt=.jpg
Copy taken
2026-07-28
Title from
an article in this archive
The holder's own catalogue record
chart numberLS70
edition0
filename70-7-1931
locationMI
scale240000
titleLAKE MICHIGAN LAKE MICHIGAN
typeNautical Chart
year1931

The file

Renditions held
RenditionFormatExtentSizeSHA-256
MasterJPEG19,120 × 13,527 px34.3 MB9290b1cf4e21…

Checksums are the values recorded when each copy was taken.

Download

The archive holds its own copy of that file and will supply it on request; it is not re-served here, because the holder serves it better and a second copy is a second thing to go stale.

In this archive

Cite this

NOAA Office of Coast Survey. “LAKE MICHIGAN”. 1931. NOAA Office of Coast Survey, Historical Map & Chart Collection. Beaver Island Archive, https://beaverislandarchive.org/media/chart/70-7-1931/. copy retrieved 2026-07-28.

Built only from what the archive recorded: the names on the record, the title as recorded, the date if one was recorded, this page, and the date the copy was taken. Nothing is filled in to satisfy a citation style.