Hidden Valley Farm
Hidden Valley Farm is a historic home and farm complex located at Baldwin , Harford County , Maryland , United States . 
<triplet> Hidden Valley Farm <subj> Maryland <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Baldwin <subj> United States <obj> country <triplet> Harford County <subj> Maryland <obj> located in the administrative territorial entity <subj> United States <obj> country <triplet> Maryland <subj> Harford County <obj> contains administrative territorial entity <subj> United States <obj> country <triplet> United States <subj> Maryland <obj> contains administrative territorial entity