87 deg. 56' 50" E., 10.38 feet to a point of curvature having coordinates N. 431,678.13 and E. 2,405,414.01; thence following the arc of a curve to the left whose radius is 2864.79 feet and whose chord and chord bearing are 626.25 feet and N. 85 deg. 46' 40" E. respectively, for an arc distance of 627.50 feet to a point of tangency whose coordinates are N. 431,724.24 and E. 2,406,038.56; thence continuing along the centerline of said Four Mile Run N. 79 deg. 30' 10" E., 571.24 feet to a point of curvature having coordinates N. 431,828.31 and E. 2,406,600.24; thence following the arc of a curve to the right whose radius is 1909.88 feet and whose chord and chord bearing are 500.23 feet and N. 87 deg. 01' 40" E., respectively for an arc distance of 501.67 feet to a point of tangency; said point having coordinates N. 431,854.25 and E. 2,407,099.80; thence running S. 85 deg. 26' 50" E., 542.38 feet to a point of curvature with coordinates N. 431,811.20 and E. 2,407,640.47; thence following the arc of a curve to the left whose radius is 1432.41 feet and whose chord and chord bearing are 585.03 feet and N. 82 deg. 46' 10" E. respectively, for an arc distance of 589.17 feet to a point of tangency having coordinates N. 431,884.83 and E. 2,408,220.85; thence running N. 70 deg. 59' 10" E. 28.44 feet to a point of curvature having coordinates of N. 431,894.10 and E. 2,408,247.74; thence following the arc of a curve to the left whose radius is 1318.44 feet and whose chord and chord bearing are 482.64 feet and N. 60 deg. 26' 22" E. respectively, for an arc distance of 485.38 feet to a point of tangency having coordinates N. 432,132.21 and E. 2,408,667.56; thence running N. 49 deg. 53' 34" E., 4.43 feet to a point whose coordinates are N. 432,135.06 and E. 2,408,670.95; thence running across Mount Vernon Avenue (Arlington Ridge Road in Arlington) and still following the previously mentioned centerline of Four Mile Run N. 71 deg. 20' 53" E., 274.92 feet to a point of curvature with coordinates N. 432,222.98 and E. 2,408,931.43; thence running along the arc of a curve to the right whose radius is 315.05 feet and whose chord and chord bearing are 289.48 feet and S. 81 deg. 18' 07" E. respectively for an arc distance of 300.28 feet to a point of tangency with coordinates of N. 432,179.20 and E. 2,409,217.58; thence running S. 53 deg. 57' 07" E., 314.44 feet to a point whose coordinates are N. 431,994.16 and E. 2,409,471.81; thence still running along said centerline S. 52 deg. 58' 38" E., 665.38 feet to a point with coordinates N. 431,593.51 and E. 2,410,003.05; thence S. 61 deg. 35' 07" E., 504.49 feet to a point having coordinates N. 431,353.45 and E. 2,410,446.76; thence S. 62 deg. 23' 28" E. 1048.27 feet to a point with coordinates N. 430,867.65 and E. 2,411,375.67 and S. 67 deg.