Layer Estimates:

Layer: National_Parks_Boundary (ID:62)
Count: 430
Extent:

XMin: -19005305.9134
YMin: -1606722.5535
XMax: 16222790.3208
YMax: 10644569.6237
Spatial Reference: 102100 (3857)

Layer: States (ID:0)
Count: 59
Extent:

XMin: -19942593.7774886
YMin: -1617133.74752409
XMax: 20012847.4776274
YMax: 11536827.493648
Spatial Reference: 102100 (3857)