Layer Estimates:

Layer: Metro Stations (ID:0)
Count: 40
Extent:

XMin: -8580401.11676373
YMin: 4699581.74400471
XMax: -8562054.25615619
YMax: 4714774.81030012
Spatial Reference: 102100 (3857)

Layer: Golf Courses (ID:1)
Count: 6
Extent:

XMin: -8581928.88110522
YMin: 4703993.22392096
XMax: -8566304.32723593
YMax: 4716796.65763452
Spatial Reference: 102100 (3857)

Layer: Interstates (ID:2)
Count: 14
Extent:

XMin: -8581146.21946424
YMin: 4692080.76206472
XMax: -8564255.34398725
YMax: 4720535.66064131
Spatial Reference: 102100 (3857)

Layer: Ronald Regan Airport (ID:3)
Count: 2
Extent:

XMin: -8575263.73508979
YMin: 4696909.12549532
XMax: -8573337.56165227
YMax: 4700415.52007694
Spatial Reference: 102100 (3857)

Layer: Parks > .5 sqmi (ID:4)
Count: 3
Extent:

XMin: -8584912.71283715
YMin: 4701106.94480694
XMax: -8573003.5001358
YMax: 4712655.20653563
Spatial Reference: 102100 (3857)

Layer: Suitable Tracts for Living (ID:5)
Count: 18
Extent:

XMin: -8582870.83352594
YMin: 4697860.00653854
XMax: -8566928.68110259
YMax: 4715907.25599588
Spatial Reference: 102100 (3857)

Layer: DC City Limit (ID:6)
Count: 1
Extent:

XMin: -8584959.74945493
YMin: 4691844.84321397
XMax: -8561500.57223536
YMax: 4720973.29348731
Spatial Reference: 102100 (3857)