NV 3 A 8

495 exit 44,  W Georgetown Pike (193) Approx. 7 miles to Center of Great Falls, (SEE Shell Gas Station, Exxon & 7/11) Turn Right on Walker Road & go to school ½ mile on Right, field behind school OR: 495 exit 46B,  Rt. 7 West to Right on Colvin Mill Run (SEE Mill)