Obliteration of footpaths by development

Since the 1930's, urban development has obliterated 30% of America's footpaths. Some 200,000 miles of trails led through national forests in 1940: only half as many remain.

1. Environmental pollution
2. Disappearance of common land
3. Destruction inherent in development
4. Closure of recreation areas

1. Inaccessibility of countryside to city dwellers

1. Destruction of wilderness

1. Uncompleted sidewalk repairs

1. Walking
2. Employing unused land
3. Creating footpaths

1. Obliteration