Against Dennis-Yarmouth, Rodrigues had another big double-double, with 21 points and 15 boards, and senior guard Ryan Koster tacked on 15 points of his own.

Source: https://www.mvtimes.com/2023/02/08/mvrhs-sports-wrap-17/

Could it be Ella Koster?

Source: https://www.illawarramercury.com.au/story/8078643/how-one-agreement-could-launch-olympic-careers-for-more-illawarra-athletes/?src=rss

Koster Dam is a volcanic hosted gold target related to the Fraser River Fault system.

Source: https://thegrizzlygazette.com/media-release/cariboo-rose-reports-on-carruthers-pass/?utm_source=rss&utm_medium=rss&utm_campaign=cariboo-rose-reports-on-carruthers-pass

Nick Koster when he was a Stormers player in 2012.

Source: https://www.heraldlive.co.za/sport/rugby/2023-07-13-tributes-pour-in-for-former-province-rugby-star-nick-koster/

Some of the areas falling under the troubled municipality that have been affected by water and sewer challenges, include Koster, Swartruggens as well as Derby.

Source: https://www.citizen.co.za/premium/north-west-municipality-blames-water-woes-blackouts/

Tributes have poured in for former Western Province, Bath and Bristol star flanker Nick Koster who died on Wednesday.

Source: https://www.heraldlive.co.za/sport/rugby/2023-07-13-tributes-pour-in-for-former-province-rugby-star-nick-koster/