File:Billings county north dakota courthouse.jpg

DescriptionBillings county north dakota courthouse.jpg Billings County courthouse in Medora, North Dakota.jpg Date 1 August 2004 Source http://www.ers

DescriptionBillings County Courthouse, Medora ND.jpg English: Front of the former Billings County Courthouse, located in Medora, North Dakota, United States

DescriptionMedoraND 1913BillingsCountyCourthouse.jpg English: The 1913 Billings County Courthouse, Medora, North Dakota; now a museum. Date 28 July 2017

Upper Cretaceous, South Dakota. Cross-section of Stereolasma rectum, a rugose coral from the Middle Devonian of Erie County, New York. Tabulate coral