Ah, very good analysis Angzyn.  I think you're right about the summers temps and it not being hot enough to bake adobe well.  That pretty much takes adobe out of the running.  I also didn't consider effort of digging in clay.  The streams will be glacial melt so chilly even in summer.<br/><br/>Ok, you've convinced me.  Definately log cabin.  Easier to build and sturdy.  So, they really need to figure out how to build an axe.<br/><br/>I think they'll still want to make some brick in summer, not for a whole house, but for a good fireplace/kiln.  I know most modern houses have the fireplace at one end.  I'd suggest making the fireplace the centerpiece of the house.  A lot of the heat goes into the brick and when you make it an exterior wall half that heat radiates outside.  However, even that will probably be a later addition.  A log cabin could go up in a few weeks.  The limiting factor will likely be how good their axes are.