Trace this alignment chart onto your monitor with a dry erase pen or wax pencil.
            Then go to Schoolcraft  Map on the "Archaeoastronomy at Grave Creek?" site and scroll around

Blue lines are Summer and Winter Solstice rise and set.
Note that this is specifically for the Schoolcraft map with it's "orientation"...

for maps that use the standard "North" toward the top orientation... try the bottom template.