Question: What year did the owner of the Snowbird Ski Resort first climb the Seven Summits?

Context paragraphs:
Snowbird, Utah: Snowbird is an unincorporated community in Little Cottonwood Canyon in the Wasatch Range of the Rocky Mountains near Salt Lake County, Utah, U.S.  It is most famous for Snowbird Ski and Summer Resort, an alpine skiing and snowboarding area, which opened in December 1971.

Nimdoma Sherpa: Nimdoma Sherpa (born 1991) from Gauri Sankar, Dolakha District is a Nepalese mountain climber.  In 2008 she became the youngest woman to climb Mount Everest and in 2009 she joined the Seven Summits Women Team, a team of Nepalese women whose goal is to climb the Seven Summits.

Susan Ershler: Susan Ershler (born in March 1957) is a public speaker, business executive, climber of Mount Everest, and author.  Ershler and her husband, Phil, are the first couple to have climbed together the highest mountain on each continent, known as the "Seven Summits".  Completion of the Seven Summits endeavor came on May 16, 2002 when Ershler and her husband reached the summit of Mount Everest.  Ershler is the 4th American Woman to climb the Seven Summits and the 12th American Woman to climb Mount Everest.

Pema Diki Sherpa: Pema Diki Sherpa is from Simigau, Gauri Sankar, Dolakha District, Nepalese mountain climber.  In 2008 she became the youngest woman to climb Mount Everest and in 2009 she joined the Seven Summits Women Team, a team of Nepalese women whose goal is to climb the Seven Summits.

Malli Mastan Babu: Mastan Babu Malli (3 September 1974 – 24 March 2015) was an Indian mountaineer.  He is best known for his 2006 world record creating feat of climbing each continent's highest peak (popularly called seven summits) in the shortest span of time at that point - a total of 172 days with the first climb on January 19, 2006 and the seventh on July 10, 2006.  This feat made him the fastest seven summiteer in the world at that time, the first Indian and South Asian to climb all seven summits, the first Indian to climb Vinson Massif and the first Indian to climb Carstensz Pyramid.  While his record for climbing the seven summits has since been improved upon, his record of attaining each summit on a different day of the week still stands today.

Keizo Miura: Keizo Miura (三浦 敬三 , Miura Keizō , February 15, 1904 – January 5, 2006) was a Japanese skier.  He was a skiing teacher and photographer of mountain landscapes.  He was notable for his fitness and outdoor-sport undertakings at advanced age; at 77 he was the oldest person to climb Kilimanjaro and at 99 descended a Gletscher of Mont Blanc together with his oldest son Yuichiro and grandson Yuta.  Yuichiro Miura was also the oldest person to climb Mount Everest and the Himalayas, at age 70, at age 75 and later at age 80.  Keizo Miura wrote two books on his health routine, one of them co-written with his physician.  On February 15, 2004, Keizo Miura celebrated his hundredth birthday with a ski descent together with more than 170 friends and family members, including four generations of his family, at Snowbird ski resort in Salt Lake City, Utah, United States.  Keizo died 41 days short of his 102nd birthday.

Seven Summits: The Seven Summits are the highest mountains of each of the seven continents. Summiting all of them is regarded as a mountaineering challenge, first achieved on 30 April 1985 by Richard Bass.  The Seven Summits achievement has become noted as an exploration and mountaineering accomplishment.  Some have even done it twice, like Bill Allen.

Israfil Ashurly: Israfil Ashurly (Azerbaijani: "İsrafil Aşurlu" ; born January 16, 1969 in Baku, Azerbaijani SSR, USSR) is a mountaineer, explorer, general secretary of Ice-Climbing Commission and Competition, owner of Insol company and president of Azerbaijan Mountaneering Federation.  He was the first Azerbaijani to climb Mount Everest and Kangchenjunga, completing the Seven Summits challenge in 2007.  He is also first Azerbaijani to receive Snow Leopard award and Volcanic Seven Summits in 2009 and first undisputed Azerbaijani explorer to walk on the North Pole in 2009.

Samina Baig: Samina Khayal Baig (Urdu: ‎ ; born 19 September 1990) is a Pakistani high-altitude mountaineer who in 2013 climbed Mount Everest and then all Seven Summits by 2014.  She is the first and only Pakistani woman to climb Everest and the Seven Summits.  She is also the youngest Muslim woman to climb Mount Everest, having done so at the age of 21.

Richard Bass: Richard Daniel "Dick" Bass (December 21, 1929 – July 26, 2015) was an American businessman, rancher and mountaineer.  He was the owner of Snowbird Ski Resort in Utah and the first man to climb the "Seven Summits," the tallest mountain on each continent.

Supporting paragraphs: Seven Summits Richard Bass
Answer: 1985