Sangan River Dunes More from my most recent trip to Haida Gwaii,
supplementary posts to those I posted in June and early July
(see this link) concerned almost entirely with an archaeological
project in the southern end of Haida Gwaii more than 200km away.
This is another post from a walk we took at the mouth of the
Sangan River. The whole North Beach area along the north-west
coast of Graham Island features extensive dunes spreading off
into the forest on gradually higher elevated and stranded beach
ridges resulting from slowly rising land levels for more than
5000 years. Thus the older shorelines are now many kilometers
inland in this area and make for a serious challenge to
archaeologists trying to find the older sites. This map shows
where today’s images come from which are all details of the
vegetation growing one the dunes at the beach edge. This link
has other posts from this same area which is located just east
of Massett. Dune Tansy (Tanacetum bipinnatum) is common on the
front edge of the dunes along