Layer Estimates:

Layer: Lighthouses (ID:1)
Count: 104
Extent:

XMin: -9796698.9982
YMin: 5105758.3927
XMax: -9430483.2298
YMax: 5771507.7898
Spatial Reference: 102100 (3857)

Layer: Shipwrecks (ID:0)
Count: 114
Extent:

XMin: -9780035.08936298
YMin: 5190312.03553215
XMax: -9432282.27671192
YMax: 5789899.96407728
Spatial Reference: 102100 (3857)

Layer: Obstacles (ID:2)
Count: 29
Extent:

XMin: -9784343.84225271
YMin: 5106101.23567059
XMax: -9596752.14586228
YMax: 5636693.3665722
Spatial Reference: 102100 (3857)

Layer: Lake Michigan Contours (ID:3)
Count: 10535
Extent:

XMin: -9795300.728
YMin: 5104523.0247
XMax: -9406326.2194
YMax: 5795493.2875
Spatial Reference: 102100 (3857)

Layer: Lighthousesmultibuffer (ID:11)
Count: 2
Extent:

XMin: -9812792.4704
YMin: 5089664.9205
XMax: -9414389.7576
YMax: 5787601.262
Spatial Reference: 102100 (3857)

Layer: Lighthouses_Mult_SpatialJoin (ID:7)
Count: 2
Extent:

XMin: -9812792.4704
YMin: 5089664.9205
XMax: -9414389.7576
YMax: 5787601.262
Spatial Reference: 102100 (3857)

Layer: Lighthouses_MultipleRingBuffer (ID:6)
Count: 2
Extent:

XMin: -9812792.4704
YMin: 5089664.9205
XMax: -9414389.7576
YMax: 5787601.262
Spatial Reference: 102100 (3857)

Layer: Obstaclesbuffer (ID:14)
Count: 1
Extent:

XMin: -9790938.7830658
YMin: 5099630.37825153
XMax: -9590010.2407554
YMax: 5643546.77238041
Spatial Reference: 102100 (3857)

Layer: Wrecks Within 3 Miles of an Obstacle (ID:4)
Count: 1
Extent:

XMin: -9790938.7830658
YMin: 5099630.37825153
XMax: -9590010.2407554
YMax: 5643546.77238041
Spatial Reference: 102100 (3857)

Layer: Obstacles_Buffer (ID:5)
Count: 1
Extent:

XMin: -9790938.7830658
YMin: 5099630.37825153
XMax: -9590010.2407554
YMax: 5643546.77238041
Spatial Reference: 102100 (3857)

Layer: BND - States 500K (Census 2019) (ID:9)
Count: 56
Extent:

XMin: -19942767.0255652
YMin: -1637242.78601624
XMax: 20012846.0377037
YMax: 11528300.4768303
Spatial Reference: 102100 (3857)

Layer: Shipwreck Data Coordinates.csv (ID:12)
Count: 114

Layer: GDB_ServiceItems (ID:13)
Count: 2