You searched for: Author I.M. Systems Group Remove constraint Author: I.M. Systems Group Access Public Remove constraint Access: Public Subject Oceans Remove constraint Subject: Oceans Place Massachusetts Remove constraint Place: Massachusetts Place Boston Harbor (Mass.) Remove constraint Place: Boston Harbor (Mass.) 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.).
2012. I.M. Systems Group. Unexploded ordnance (or UXOs/UXBs, sometimes identified as UO) are explosive weapons (bombs, bullets, shells, grenades, land mines, naval mines, et... Coastal Services Center (U.S.).