Crushed Stone Gravel Description Uses (New York .
Crushed Stone Gravel Description Uses (New York locations) size size ... Limestone, # 4a ballast x 11/2" Used as Railroad Ballast slightly large drainage stone Limestone, 1" crusher run x dust 1" Use for unpaved driveways, walkways, etc. Limestone, 2" crusher run x dust 2" Subbase for concrete asphalt driveways, etc. ...