You searched for: Author I.M. Systems Group Remove constraint Author: I.M. Systems Group Publisher United States. National Oceanic and Atmospheric Administration Remove constraint Publisher: United States. National Oceanic and Atmospheric Administration Access Public Remove constraint Access: Public Subject Oceans Remove constraint Subject: Oceans Subject Transportation Remove constraint Subject: Transportation Subject Harbors--Traffic control Remove constraint Subject: Harbors--Traffic control Place Massachusetts Remove constraint Place: Massachusetts Place Boston Harbor (Mass.) Remove constraint Place: Boston Harbor (Mass.) Year 2012 Remove constraint Year: 2012
2012. I.M. Systems Group. This polygon shapefile represents the geographic location and identity of designated areas used to manage vessel traffic in the northeast United St... United States. National Oceanic and Atmospheric Administration.