Miscellaneous isolated stone structures from northwest Upton

Some isolated finds from the previous two weekends: 
Number 1
This was on my way to the upper Miscoe site.

Number 2
These were on my way back from there:

Number 3
A pair of structures:

closeup

Number4
This was on my way back from the hillside site of this report from northwest Upton. I climbed to the highpoint of water and started into the outcrops framing the ridge. This was on the right:

 This was on the left:

 A closer look: