Searching on Google.
From "Indiana and Indianans" [Click here] See page 10. There is, first a discussion of "many small stone mounds" which then shifts to a discussion of donation memorials. Is this an un-intentional slide into a new topic?
This is about rock piles and stone mound sites in New England. A balance is needed between keeping them secret and making them public. Also arrowheads, stone tools and other surface archaeology.