Layer Estimates:

Layer: Dissolved Oxygen Observation Points (ID:0)
Count: 6725953
Extent:

XMin: -10878508.8293
YMin: 2130462.847
XMax: -8905559.5521
YMax: 3612066.0113
Spatial Reference: 102100 (3857)

Layer: Dissolved Oxygen Counts in 30km length hexagon (ID:1)
Count: 945
Extent:

XMin: -10949688.6297
YMin: 2018686.2466
XMax: -8909688.6297
YMax: 3629493.4976
Spatial Reference: 102100 (3857)