PENETRATION BITUMINOUS MACADAM Part 1

Description

Macadam roads are constructed in Massachusetts and Rhode Island. Crushed stone and sand are spread on road beds, rolled, and broomed to remove foreign deposits. A layer of bituminous cement is spread and rolled. Emphasizes the need for careful leveling of the various layers to prevent buckling and rutting.

Collection

Records of the Extension Service

Series

Motion Picture Films