Layer Estimates:

Layer: contour_line_66_project (ID:0)
Count: 6
Extent:

XMin: -8500559.4556
YMin: 4441601.6731
XMax: -8496684.5129
YMax: 4444136.0474
Spatial Reference: 102100 (3857)

Layer: sightlinesImpactOnly_project (ID:1)
Count: 51943
Extent:

XMin: -8500564.6821
YMin: 4441530.2186
XMax: -8496610.6696
YMax: 4444117.4812
Spatial Reference: 102100 (3857)