Layer Estimates:

Layer: Stadiums of Existing and Candidate MLB Teams (excluding Toronto) (ID:0)
Count: 36
Extent:

XMin: -13656497.0193335
YMin: 2971623.53424502
XMax: -7914504.10082753
YMax: 6039129.05924813
Spatial Reference: 102100 (3857)

Layer: Top 50 US MSAs by population (ID:1)
Count: 50
Extent:

XMin: -13656675.1305188
YMin: 2969386.15217705
XMax: -7910363.01577001
YMax: 6042216.25041145
Spatial Reference: 102100 (3857)

Layer: Driving Distance Within 90 mi. Extent to Existing and Candidate MLB Stadiums (ID:2)
Count: 36
Extent:

XMin: -13806411.82083
YMin: 2852229.98267486
XMax: -7785264.36322939
YMax: 6239636.0767415
Spatial Reference: 102100 (3857)

Layer: USA Counties (ID:4)
Count: 3143
Extent:

XMin: -19942765.3260505
YMin: 2144424.27930457
XMax: -7452796.26268635
YMax: 11528300.5677573
Spatial Reference: 102100 (3857)

Layer: MLB Candidate Expansion Cities (ID:6)
Count: 6

Layer: ExistingAndCandidateCombined.csv (ID:7)
Count: 36