Layer Estimates:

Layer: USGS 100K QUAD (ID:0)
Count: 66
Extent:

XMin: -11465908.6347855
YMin: 4369641.35095459
XMax: -10464032.9199466
YMax: 4938870.237152
Spatial Reference: 102100 (3857)

Layer: USGS 24K QUAD (ID:1)
Count: 1521
Extent:

XMin: -11368504.049454
YMin: 4421698.54732794
XMax: -10519692.6765445
YMax: 4884124.62770435
Spatial Reference: 102100 (3857)

Layer: USGS 250K QUAD (ID:2)
Count: 22
Extent:

XMin: -11577228.1589754
YMin: 4300622.18836813
XMax: -10464032.9156838
YMax: 5012342.7452593
Spatial Reference: 102100 (3857)