Moe Family in Laerdal

I have an Ancestry.com tree and Thru LInes for the following, but would like to know more if anyone can help. I know that some surnames are from the farms where they may lived / worked but I cannot find much info on these farm names. Me – Laurie Anne Moe, Born1961 Albany, CA – Present Mesa, AZ. Father – Carles Henry Moe, Born 1935 Madison, WI – Died 1988 Ventura, CA, married Anne Elizabeth Josephs 1958. Grandfather – Leonard Carl Moe, Born 12/3/1914 Lafayette Township, Allamakee County, IA – Died 10/29/1995 Dubuque, IA, married Marjorie Henrietta Snitker (1918-2007) G Grandfather – Carl Jensson Moe – Born about Jan 1887, Sun Prairie, WI – Died 1953, Iowa, Married Maary Mazelle “Mamie” McMillan (1891-1919) 6/12/1909 Waukon, IA GG Grandfather – Jens Jensson Moe – Born 6/9/1850, Mo, Laerdal, Norway – Died 10/17/1912, Rossville, IA United States, Married Anna Marie Kristendatter Haerum (1847-1938), 5/10/1870 Sogn, Norway. Arrived US 1882. GGG Grandfather – Jens Olsson Saltkjelen Moe – Born 1787, Rikheim Sogn og Fjordane, Norway – Died 1875 Laerdal, Saltkjelen. Married Kari Persd Saeltoyni (1814-1864) 1841 in Laerdal. GGGG Grandfather – Ola Torsteinson Rikheim Nygaard – Born 1752 Laerdal, Norway – Died 1832 Laerdal, Married Mari Jokumsd Helleren (1760-?) 1785. Thank you for any information you can provide.