The shores of American Bay are free from dangers, and the water, particularly on the south side, is deep.
Northeast of the northern entrance point of American Bay, is a shoal patch measuring from 9 to 16 fathoms.
[3] Along with Datzkoo Harbor and the Kaigani Harbors, a few miles to the south and several large Haida villages that were in the vicinity at the time, this general area was known as "Kaigani" to late 18th and early 19th century maritime fur traders.
Over a hundred fur trading ships visited American Bay and the Kaigani Harbors in the early 19th century.
The deposit is more than 500 yards wide, stands about vertical, strikes east, and is mostly covered by moss and timber.