 It was listed in the National Register of Historic Places in 1991.The listing included 17 contributing buildings, 12 contributing structures, and a contributing site on .The SLW Ranch is named for the three initial partners - "S" for John Studebaker of wagon and automotive manufacturing fame, "L" for Lafayette Lamb, a lumber company executive and "W" for Harvey E Witwer, former manager of the Percheron-Norman Horse Ranch and nephew of Studebaker.