Color image map : [ports of entry, United States-Canadian border] /
Summary
Tags
united states
boundaries
canada
maps
ports of entry
remote sensing maps
color
map
color image map
ports
entry
states canadian
border
map of canada
high resolution
Date
01/01/1978
Contributors
Geological Survey (U.S.)
Canada. Department of Energy, Mines and Resources.
U.S. Customs Service.
Source
Library of Congress
Link
Copyright info
Public Domain