Deuel Vocational Institution
Deuel Vocational Institution ( DVI ) is a state prison located in unincorporated San Joaquin County , California , near Tracy . 
<triplet> Deuel Vocational Institution <subj> California <obj> located in the administrative territorial entity <triplet> San Joaquin County <subj> California <obj> located in the administrative territorial entity <triplet> California <subj> San Joaquin County <obj> contains administrative territorial entity <triplet> Tracy <subj> San Joaquin County <obj> located in the administrative territorial entity