Burgess 5 zones.
1 CBD
2 Wholesale light manufacturing
3 Low-class residential
4 Medium-class residential
5 High-class residential
Model?
Burgess
Hoyt 5 zones.
1 CBD
2 Wholesale (road access)
3 Low class (loud environment: train line?)
4 Medium-class residential
5 High class (expensive land)
Model?
Hoyt
Hoyt 5 zones.
Model?
Ulman-Harris
Ulman-Harris 7 zones.
1 CBD
2 Wholesale light manufacturing
3 Low-class residential
4 Medium-class residential
5 High-class residential
6 Heavy manufacturing
7 Outlying business district
8 Residential suburb
9 Industrial suburb