Layer Estimates:

Layer: USHwy (ID:0)
Count: 661
Extent:

XMin: -8579708.62632473
YMin: 4704481.81650675
XMax: -8564955.79886296
YMax: 4719694.087531
Spatial Reference: 102100 (3857)

Layer: StateHwy (ID:1)
Count: 209
Extent:

XMin: -8584779.00507017
YMin: 4695798.88782938
XMax: -8561441.21776841
YMax: 4720891.63324342
Spatial Reference: 102100 (3857)

Layer: Interstates (ID:2)
Count: 84
Extent:

XMin: -8578901.193256
YMin: 4692039.43001044
XMax: -8570083.95373168
YMax: 4708136.7229475
Spatial Reference: 102100 (3857)

Layer: DC_Streets (ID:3)
Count: 24076
Extent:

XMin: -8584787.68407392
YMin: 4691903.16468967
XMax: -8561226.92307518
YMax: 4721268.92706197
Spatial Reference: 102100 (3857)

Layer: MajorStreets (ID:4)
Count: 4759
Extent:

XMin: -8584777.90619961
YMin: 4695798.88782938
XMax: -8561441.21776841
YMax: 4720844.21767332
Spatial Reference: 102100 (3857)

Layer: SurfaceWater (ID:5)
Count: 341
Extent:

XMin: -8585127.71296452
YMin: 4691675.86157871
XMax: -8561478.26257296
YMax: 4721038.9068152
Spatial Reference: 102100 (3857)

Layer: Parks (ID:6)
Count: 237
Extent:

XMin: -8584154.1702503
YMin: 4695256.52311064
XMax: -8561484.86842054
YMax: 4720292.14305955
Spatial Reference: 102100 (3857)

Layer: WashingtonDC (ID:7)
Count: 1
Extent:

XMin: -8585136.14541385
YMin: 4691675.9107638
XMax: -8561192.8543823
YMax: 4721407.14395331
Spatial Reference: 102100 (3857)