Idaho, Butte County Records, 1882-1970 Description Land, marriage, and probate records from the county courthouse in Arco. How to Use this Collection » Search Collection View Images in this Collection Browse through 23226 images Citing this Collection "Idaho, Butte County Records, 1882-1970." Database with images. FamilySearch. http://FamilySearch.org : 15 December 2020. Butte County Courthouse, Arco.