2018 Map of Prince Rupert D-4 SW
USGS Topo · Published 2018About this map
Cape Northumberland anchors the western edge of this coastal survey, marking a rugged point of land within the southernmost reaches of the Tongass National Forest. The landscape is dominated by the complex archipelagos and maritime passages of the Pacific Ocean, where small landmasses like Kelp Island and the Sister Islands provide refuge and navigational landmarks. The presence of the Kelp Island Anchorage suggests the historical and continued importance of these sheltered waters for vessels navigating the remote Alaskan coastline. To the east, East Island stands separated by open water, while the isolated Yellow Rocks rise from the sea to the south, highlighting the maritime hazards and natural beauty of the Ketchikan Gateway region.
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Map Details
Editions of this 2018 Prince Rupert D-4 SW Map
This is the sole edition of this map. No revisions or reprints were ever made.
Other maps of this area
1951 · Prince Rupert
USGS Topo · 1:250,000
1955 · Prince Rupert D-5
USGS Topo · 1:63,360
1955 · Prince Rupert D-4
USGS Topo · 1:63,360
1959 · Prince Rupert
USGS Topo · 1:250,000
1964 · Prince Rupert
USGS Topo · 1:250,000
2018 · Prince Rupert D-5 SE
USGS Topo · 1:25,000
2018 · Prince Rupert D-4 NW
USGS Topo · 1:25,000
2018 · Prince Rupert D-5 NE
USGS Topo · 1:25,000
2020 · Prince Rupert D-4 NE
USGS Topo · 1:25,000
2021 · Prince Rupert D-5 NE
USGS Topo · 1:25,000