Layer Estimates:

Layer: AuthorsWhere_Geocoded (ID:0)
Count: 152
Extent:

XMin: -16678771.1006
YMin: -4553372.7700749
XMax: 19863535.0365762
YMax: 7581433.84973219
Spatial Reference: 102100 (3857)

Layer: StudySiteWhere_Geocoded (ID:1)
Count: 191
Extent:

XMin: -19511593.8800702
YMin: -5054454.64720116
XMax: 20028438.1976587
YMax: 7195730.13871265
Spatial Reference: 102100 (3857)

Layer: StudySiteWhere.csv (ID:4)
Count: 191

Layer: AuthorsWhere.csv (ID:5)
Count: 152

Layer: What$ (ID:6)
Count: 88

Layer: Who$ (ID:7)
Count: 92

Layer: How$ (ID:8)
Count: 88