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Bridges and Tunnels 1999
State of Washington —
Hidden bridges and tunnels captured in 1999. This is a new dataset that was not collected as part of the planimetric mapping project. It shows bridges that were... -
Bridge and Tunnel Entrances 2013
State of Washington —
Bridges and Tunnel Entrances. The dataset contains polygons representing planimetric Roads, created as part of the DC Geographic Information System (DC GIS) for the...