Layer Estimates:

Layer: John Harrison Milestones (ID:1)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: Other Milestones (ID:2)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: Other Locations (ID:3)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: John Harrison Milestones (ID:5)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: Other Milestones (ID:6)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: John Harrison Milestones (ID:8)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: Milestones (ID:9)
Count: 25
Extent:

XMin: -1014827.9513
YMin: 4678840.8361
XMax: -171.913499999791
YMax: 7132666.6019
Spatial Reference: 102100 (3857)

Layer: John Harrison's movements (ID:10)
Count: 22
Extent:

XMin: -9627750.8629
YMin: -8346994.9049
XMax: 1437.85429999977
YMax: 7108471.7344
Spatial Reference: 102100 (3857)