Layer Estimates:

Layer: Storm Gravity Main Direction Arrows (ID:0)
Count: 5028
Extent:

XMin: 812452.518668027
YMin: 961847.600859884
XMax: 873179.433959341
YMax: 1023013.1576622
Spatial Reference: 102700 (102700)

Layer: Storm Conveyance Line Direction Arrows (ID:2)
Count: 7
Extent:

XMin: 830378.73806486
YMin: 967000.388782606
XMax: 851568.015896183
YMax: 989824.007505279
Spatial Reference: 102700 (102700)

Layer: Storm Open Channel Direction Arrows (ID:1)
Count: 413
Extent:

XMin: 814582.3178861
YMin: 962169.625806373
XMax: 873092.922649433
YMax: 1018932.63892038
Spatial Reference: 102700 (102700)