More about small mounds around large ones

From Norman Muller:
Your comment on your blog about smaller stone mounds often suggesting larger stone mounds nearby is also commented on in an article by Jeffries and Fish in the attached:
http://shapiro.anthro.uga.edu/Archaeology/images/PDFs/uga_lab_series_17.pdf
(See page 34 ff. See also page 54, bottom, about the grid-like arrangement of the smaller stone mounds below the larger one.)