Ursa Minor (cave) Ursa Minor (cave) Ursa Minor Cave is part of Sequoia National Park, a naturally formed system of caves in California's Sierra Nevada. The cave was discovered in August 2006 by four cave explorers from the Cave Research Foundation who found a softball-sized hole on a cliff face in the mountains. After widening the hole to allow for human entry, the explorers discovered one of the most spectacular caves in the western United States. The cave has since been named "Ursa Minor," because of the large bear skeleton found in the cave. The cave was featured in the September 2007 issue
Ursa, Illinois versus $22,778 for females. The per capita income for the village was $16,600. About 8.3% of families and 10.4% of the population were below the poverty line, including 13.3% of those under age 18 and 6.8% of those age 65 or over. Ursa, Illinois Ursa is a village in Adams County, Illinois, United States. The population was 626 at the 2010 census. It is part of the Quincy, IL–MO Micropolitan Statistical Area. Ursa is located at (40.074653, -91.370776). According to the 2010 census, Ursa has a total area of , all land. The first settlers came to Ursa in 1823.