Layer Estimates:

Layer: Groups (ID:0)
Count: 4

Layer: Agency (ID:1)
Count: 3

Layer: Cities (ID:2)
Count: 84

Layer: Congress (ID:3)
Count: 3

Layer: Counties (ID:4)
Count: 17

Layer: PermContractMethod (ID:5)
Count: 2

Layer: ContractMethod (ID:6)
Count: 4

Layer: Unit (ID:7)
Count: 20

Layer: WorkType (ID:8)
Count: 442

Layer: TypeStructure (ID:9)
Count: 10

Layer: TypeSignal (ID:10)
Count: 6

Layer: TypeRoad (ID:11)
Count: 12

Layer: TypePavement (ID:12)
Count: 3

Layer: TypeSigns (ID:13)
Count: 6

Layer: TypeOther (ID:14)
Count: 4

Layer: TypePassable (ID:15)
Count: 4

Layer: TypeGuardrail (ID:16)
Count: 4