Significant and named earthwork structures are defined in the third line classification number. The following is a list of names of structures and classification that are currently represented in the collection.

When images of named works, not listed here, are cataloged into the Prehistoric Northeast tribal architecture collection, please add structure names and classification to this index and list structure names under their respective sites in Northeast Architecture-First and Second Line Classification.

Conical Mound(#57), Cahokia	See:	540.70/10 G786/Imc 90Eb
Crooks Mound	See:	540.70/9 G786/As 90C
Grave Creek Mound	See:	540.70/8 O37/Wmg 90G
Great Circle, Newark	See:	540.70/9 O37/Okn 90C
Miamisburg Mound	See:	540.70/8 O37/Omm 90M
Monks Mound, Cahokia	See:	540.70/10 G786/Imc 90M
Narrows Mound, Fort Ancient	See:	540.70/9 O37/Ouf 90N
Octagon, Newark	See:	540.70/9 O37/Okn 90O
Panther Mound, Lizard Mound State Park	See:	540.70/10 G786/Wwl 90P
Platform Mound(#60), Cahokia	See:	540.70/10 G786/Imc 90Ea
Ridgetop Mound(#72), Cahokia	See:	540.70/10 G786/Imc 90Ec
Sacred Circle, Adena Park	See:	540.70/8 O37/Kfm 90C
Serpent Mound	See:	540.70/7 O37/Oa 90S
Seip Mound	See:	540.70/9 O37/Ors 90S
Square Pyramidal Mound, Baum	See:	540.70/8 O37/Orb 90P
Temple Mound, Angel Mounds	See:	540.70/10 O37/Iva 90T
Woodhenge, Cahokia	See:	540.70/10 G786/Imc 27W

North East Architecture - Prehistoric