Found this family in the 1920 Grant County, North Dakota Census. They are in Delabarre Township, page 73-1A. I am trying to verify the names as I am doing an enumeration transcription of the county and want to be accurate. If anyone can help, I would be very appreciative...
Koski August Head44 1885 Fin. Koski Brita G.Wife27 MN Koski Hilja W.Daughter 7 ND Koski Arthur E.Son 6 ND Koski Emma S. Daughter 4y 3m ND Koski Milo O. Son 3y 1m ND Koski Anton M.Son 1y 11m ND
In 1930, this is the same family; Grant County, ND, T133 R90, page 40-1B