Here's a link to a map that shows Edward Bishop house at #68 &69 in relationship to the meeting house etc.
as well as other houses like my great aunties Mary Towne Easty, Sarah Towne Cloyse, and Rebecca Towne Nurse. The hill of execution is marked at "W" on the map, lower right quad.

http://etext.lib.virginia.edu/salem/witchcraft/maps/