You searched for: Author I.M. Systems Group Remove constraint Author: I.M. Systems Group Subject Aids to navigation Remove constraint Subject: Aids to navigation Institution Stanford Remove constraint Institution: Stanford Place Massachusetts Remove constraint Place: Massachusetts Place New York (State) Remove constraint Place: New York (State) Data type Point Remove constraint Data type: Point
2012. I.M. Systems Group. This point shapefile represents marine aids to navigation in the Northeastern United States. The Coast Guard maintains systems of marine aids to na... Coastal Services Center (U.S.).