A 2024 membership letter hosted by the county describes the Friends as “a 501(C)3 tax-exempt organization whose sole purpose is to raise funds to support the museum.” Individual and family memberships give free access to the museum for a year, and donations go to a post office box in Joseph.
The letter lists museum and Friends board members together without officer titles, so no leaders are recorded. The founding date is not stated; the state registration dates from 1997 and is a filing date. The county’s museum page also refers to donations to “our 501c3,” which the atlas leaves as the two sources’ own statements.



