Layer Estimates:

Layer: Thames21_Clean_Ups_and_Litter_Surveys (ID:0)
Count: 1302
Extent:

XMin: -36372.0828656464
YMin: 6694301.0585927
XMax: 89391.493638831
YMax: 6730537.91770703
Spatial Reference: 102100 (3857)

Layer: surveyBulkResults (ID:1)
Count: 49

Layer: surveyQuadratResults (ID:2)
Count: 486