I keep thinking about this one above,
wondering if it is another Diamond Back
since this individual I saw the day before has a pointy snoot:
The wide view - a right click will open it in it's own window.
Note the large manitou-like stone to the left of the possible protruding head
and note that I'm boldly editing in March 2020, calling attention to the view of this segment in stone recalls perhaps a single horned Great Snake or Great Serpent. Observe how this view is of the intersection of two rows of stones, at a ninety degree angle (as is a third row of stones):
(All the photos here: https://www.flickr.com/photos/34580529@N04/)
30 miles inland, the other possible "protruding effigy head stone" in my new folder of photos: