Interstate I-75 And Exit 225, Travel Northeast On Ga -138 For 1.1 Miles. Make A Left On Us 23, North Henry Blvd And Proceed For .9 Miles To Valley Hill Rd., Make A Right. Travel .9 Miles To Baltimore, Turn Left To Enter Pine Grove Subdivision. In .1 Miles, Turn Right On Brunswick Cir, And Another Right Onto Gallup Dr. 1504 Gallup Drive Is On The Right Side Of The Street Near Cul-Da-Sac.