Layer Estimates:

Layer: Tracts with Low Nitrates (ID:0)
Count: 4
Extent:

XMin: -13475240.0564
YMin: 4516197.9228
XMax: -13401457.5966
YMax: 4548030.1326
Spatial Reference: 102100 (3857)

Layer: Tracts with High Nitrates (ID:1)
Count: 4
Extent:

XMin: -13523847.3827
YMin: 4492045.6947
XMax: -13450593.9153
YMax: 4532104.7007
Spatial Reference: 102100 (3857)

Layer: Nitrate Levels in 2000 (ID:2)
Count: 21
Extent:

XMin: -13492245.6672655
YMin: 4508914.23058377
XMax: -13441919.7952702
YMax: 4546985.28443042
Spatial Reference: 102100 (3857)

Layer: Income Data in 2000 (ID:3)
Count: 8
Extent:

XMin: -13523847.3827
YMin: 4492045.6947
XMax: -13401457.5966
YMax: 4548030.1326
Spatial Reference: 102100 (3857)

Layer: Race Data in 2000 (ID:4)
Count: 8
Extent:

XMin: -13523847.3827
YMin: 4492045.6947
XMax: -13401457.5966
YMax: 4548030.1326
Spatial Reference: 102100 (3857)

Layer: Stanislaus County (ID:5)
Count: 1
Extent:

XMin: -13523658.6883
YMin: 4457893.4253
XMax: -13401507.7741
YMax: 4590381.9635
Spatial Reference: 102100 (3857)

Layer: Income2000.csv (ID:7)
Count: 94

Layer: Nitrates2000.csv (ID:8)
Count: 569

Layer: Race2000.csv (ID:9)
Count: 94