Land Acquisition for the Farmstead. Montgomery County, through the Open Space Plan, has purchased nearly 5 ½ acres belonging to Alvin K. Rothenberger, Jr. The property is adjacent to the previously existing boundary of the Farmstead with 3.36 acres situated along old Schultz Road directly across from the Schultz Road entrance to the Farmstead’s parking lot and approximately 2.9 acres on the south side of Zacharias Creek. The property includes a circa 1960 house built by Alvin Rothenberger and an adjacent hot house flower conservatory, a three bay garage, a vehicle bridge and two large workshop buildings across the creek