Planning and management of roadside vegetation;
Planning and management of roadside vegetation; an analysis of principles.
- Washington, 1956.
- iv, 48 p. illus. 28 cm.
- Highway Research Board. Special report 23 National Research Council (U.S.). Publication .
Roadside improvement.
Tree planting.
Landscape gardening.
715 / NAT
Roadside improvement.
Tree planting.
Landscape gardening.
715 / NAT