4 3/4" Scottsbluff, Mountrail County, North Dakota

4 1/2" Eden, Shawnee County, Kansas

4 11/16" Scottsbluff, Trenton, Hitchcock County, Nebraska

4 5/8" Paleo Crescent Blade, North Dakota

3 7/8" Clovis, Greenbush Draw, Cochise County, Arizona

3 15/16" Cody Complex, Mountrail County, North Dakota

3 3/8" Alberta, Bowman County, North Dakota

3 5/16" Agate Basin, Larimer County, Colorado

4" Agate Basin, Walworth County, South Dakota

3 7/8" Firstview, Blackwater Draw, Bailey County, Texas

5 5/8" Folsom Ultrathin, North Dakota

2 9/16" Folsom, Northwestern New Mexico

3 1/16" Firstview, Colorado

3 5/8" Frederick, South Dakota