See Section 4.2.2 (The Unit Rule); Grizzard , 219 U.S. at 184-85 (“[J]ustice . . . required that regard be had to the effect of the appropriation of a part of a single parcel upon the remaining interest of the owner, by taking into account both the benefits which accrue and the depreciation which results to the remainder in its use and value.”); Bos. Chamber , 217 U.S. at 194-95 (The government cannot “be made