Layer Estimates:

Layer: RomanCarthage_CityFeatures (ID:0)
Count: 0
Extent:

XMin: -20037507.8427882
YMin: -30240971.4583861
XMax: 20037507.8427882
YMax: 30240971.4583861
Spatial Reference: 102100 (3857)

Layer: Street Grid - Insulae (ID:1)
Count: 471
Extent:

XMin: 1147885.9979
YMin: 4417299.4123
XMax: 1150943.7179
YMax: 4419750
Spatial Reference: 102100 (3857)