There are only a few direct routes east to west across the bay (four bridges and the BART tunnel) and none north to south.

FORBES: Silicon Valley Is Stuck In An Uncanny Valley Of Density

The other document is an account of the notorious Battle of Seven Oaks in 1816 by Angus Shaw of the North West Company (NWC) - a rival fur trading company to the Hudson's Bay Company in which Lord Selkirk was a majority shareholder.

BBC: Red River letters