Layer Estimates:

Layer: MaineHistoricalCivicStructures_Points (ID:0)
Count: 10
Extent:

XMin: -7869866.0505
YMin: 5320917.204
XMax: -7452782.713
YMax: 5596691.4323
Spatial Reference: 102100 (3857)

Layer: MaineHistoricalCivicBuildings_Points (ID:1)
Count: 301
Extent:

XMin: -7904963.8111
YMin: 5325202.6292
XMax: -7457305.1237
YMax: 5976202.6696
Spatial Reference: 102100 (3857)

Layer: MaineHistoricalCivicStructures_Polygon (ID:2)
Count: 1
Extent:

XMin: -7499500.9742
YMin: 5553499.8002
XMax: -7498249.5292
YMax: 5554906.2878
Spatial Reference: 102100 (3857)

Layer: MaineHistoricalCivicBuildings_Polygon (ID:3)
Count: 6
Extent:

XMin: -7874558.7363
YMin: 5326495.0853
XMax: -7685840.1602
YMax: 5496944.2194
Spatial Reference: 102100 (3857)

Layer: MaineCountyBoundaryLines (ID:4)
Count: 9634
Extent:

XMin: -7913026.2814
YMin: 5299367.7375
XMax: -7445653.4983
YMax: 6017461.2253
Spatial Reference: 102100 (3857)

Layer: MaineTownsandTownshipsBoundary_Polygons (ID:5)
Count: 8421
Extent:

XMin: -7913026.2814
YMin: 5299367.7375
XMax: -7445653.4983
YMax: 6017461.2253
Spatial Reference: 102100 (3857)