looks like ferry docks on mainland and SE end of island.
numbers could be floods, earthquakes, wars, Acts of God and ungods, or other. Adds up to 442, but I do not see an Olds 442 on the road.
The smaller island at the bottom where the road goes through looks like it has been excavated or perhaps has those hillside water catch-basins like you see in the Caribbean.
What comment would Sherlock Holmes make in a case like this?
