Layer Estimates:

Layer: ShalePlay_Marcellus_Isopach_EIA_08Jan2015 (ID:0)
Count: 140
Extent:

XMin: -9144338.95272236
YMin: 4519605.10413255
XMax: -8262930.04574149
YMax: 5298528.29143958
Spatial Reference: 102100 (3857)