The Oliver G. Traphagen House, also known as Redstone, is a historic residential building in Duluth, Minnesota, United States. Built in 1892 as a duplex...

the early 20th century. Among his most famous landmarks are the Oliver G. Traphagen House in Duluth, called the Redstone, and the Moana Hotel in Honolulu...

Darling's Observatory Duluth model Federal Prison Camp, Duluth Oliver G. Traphagen House USS Duluth, 2 ships Mean monthly maxima and minima (i.e. the expected...

"National Register of Historic Places Inventory—Nomination Form: Anderson House". National Park Service. Retrieved 2017-10-20. State Historic Preservation...

to Duluth, Minnesota, and formed a partnership, Traphagen and Fitzpatrick, with Oliver G. Traphagen that lasted from 1890 to 1896. This was his most...

Duluth in 1889, he worked as a draftsman for prominent architects Oliver Traphagen and Francis Wilford Fitzpatrick, including on the designs for the 1889...

States. Built in 1890, it was designed in Romanesque Revival style by Oliver G. Traphagen and Francis W. Fitzpatrick. It was listed on the National Register...

Richardsonian Romanesque style, and it stands as an early work of architect Oliver G. Traphagen. The Wirth Building was listed on the National Register of Historic...

Hall, & Hunt, with local assistance from Duluth-based architects Oliver G. Traphagen and Francis W. Fitzpatrick. The cornerstone was laid in 1891 at a...

Woman Suffrage Association Gloria Tew (1923–2022), abstract sculptor Oliver G. Traphagen (1854–1932), architect Albert Woolson (1850–1956), last Union civil...