Import | Castle Rock, CO - Official Website
https://www.crgov.com/1793/ImportNebraska announces suit against Colorado over South Platte water
https://www.cpr.org/2025/07/16/nebraska-colorado-south-platte-canal-lawsuit/Nebraska threatens to condemn private land in Colorado for proposed canal - The Colorado Sun
https://coloradosun.com/2025/02/01/eminent-domain-perkins-canal-nebraska/Nebraska to Sue Colorado over Rights to South Platte River in U.S. Supreme Court
https://www.reddit.com/r/Colorado/comments/1m1h3fz/nebraska_to_sue_colorado_over_rights_to_south/South Platte River Compact - Ballotpedia
https://ballotpedia.org/South_Platte_River_Compact