From the record
“Au Sable Light is an active lighthouse in the Pictured Rocks National Lakeshore west of Grand Marais, Michigan off H-58. Until 1910, this aid to navigation was called "Big Sable Light".”
Wikipedia article Au Sable Light, CC BY-SA 4.0.
One of 14 National Register listings published here for Alger County · listed in 1978 · category: Building · built in 1874, Italianate architecture, by Orlando Metcalfe Poe.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

