Variations in design of rectangular burial mounds

Variations in design of rectangular mounds with hollows. Styles A-D may be tall and up to 40 feet across; styles E-H are usually low to the ground and less than ~15 feet across. Style I is a crescent shape, usually ~20 feet across.

This is a shape classification not a rock pile classification - because large or small examples of the same shape may be different types of rock pile.

Examples:

Type A Blood Hill

 Type A Franklin

Type A Northborough

Type B Hopping Brook

Type C Hopping Brook:

 Type D Callahan State Park

 Type D Blood Rd

 Type E Ashby West

Type F Woodbridge Rd

 Type F Apron Hill

Type G Falulah

 Type G Hobbs Brook, Lincoln

 Type I Nod Brook:

 Type I Scott Rd