crews fifteen or sixteen men
seven rowers per side
that traversed America.
by Hjalmar Holand.
Harbors, most man modified,
are seen via Google Earth
near each mooring stone.
A huge number of slaves
(Asia minor and Europe was full of slaves then)
may have been carried in by ship and boats
to modify the natural harbors
to enable the knarr to float on water
from Hudson Bay to the Gulf of Mexico.
Myron D Paine, Ph. D. [Engineering]