Humphrey Archeological Site
The Humphrey Archeological Site , near Mullen in Hooker County , Nebraska , was listed on the National Register of Historic Places in 1974 . 
<triplet> Humphrey Archeological Site <subj> Hooker County, Nebraska <obj> located in the administrative territorial entity <triplet> Mullen <subj> Hooker County, Nebraska <obj> located in the administrative territorial entity <triplet> Hooker County, Nebraska <subj> Mullen <obj> contains administrative territorial entity