Layer Estimates:

Layer: Test Areas digitized from 17-167 figure 5-3 (ID:0)
Count: 3
Extent:

XMin: -13627588.5687316
YMin: 4547539.46496136
XMax: -13627504.6877827
YMax: 4547586.9881623
Spatial Reference: 102100 (3857)

Layer: Features digitized from 17-167 Figure 5-4 map of feature locations (ID:1)
Count: 6
Extent:

XMin: -13627588.2701309
YMin: 4547545.64224125
XMax: -13627518.0277638
YMax: 4547580.72047615
Spatial Reference: 102100 (3857)