In order to carry out the provisions of this chapter, the uses of buildings or other structures and of land are hereby classified and combined into use groups listed below. A lower number of a use group indicates a more restricted use group.
Use Group 1: uses first permitted in the R-1 District.
Use Group 2: uses first permitted in the R-2 District.
Use Group 3: uses first permitted in the R-3 District.
Use Group 4: uses first permitted in the R-4 District.
Use Group 5: uses first permitted in the R-A District.
Use Group 6: uses first permitted in the R-C District.
Use Group 7: uses first permitted in the C-1 District.
Use Group 8: uses first permitted in the C-2 District.
Use Group 9: uses first permitted in the M-1 District.
Use Group 10: uses first permitted in the M-2 District.