Sen. Mike Enzi, R-Wyo., had said he planned to release a bill this week after the Department of Interior announced it would make $110 million in cuts this year.
Daniel Head is a spokesman for Enzi in Washington. He said Thursday that the senator now plans to release the bill next week because he's working to gather more supporters in the House.
As the nation's leading coal-producing state, Wyoming stands to lose more than $50 million in royalties for minerals mined from federal land.
Interior Secretary Sally Jewell said this week that her agency had no choice but to trim the payments because of the automatic federal budget cuts that started March 1.