26 ene 1928 año - Social Disorganization 2 - Burgess
Descripción:
 Radial growth: source of growth is in city center; begins in middle and ripples outward
Transitional Zone (Zone 2) is the most tumultuous
Basis of
crime is entirely dependent on
structural and cultural
neighborhood characteristics 
Añadido al timeline:
fecha:
26 ene 1928 año
Ahora mismo
 ~ 97 years ago