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The Casper Star-Tribune via AP) MANDATORY CREDIT, Jenna VonHofe
Republican presidential candidate Sen. Ted Cruz speaks during the Wyoming GOP Convention on Saturday, April 16, 2016, at the Parkway Plaza Hotel and Convention Centre in Casper, Wyo.

CHEYENNE, Wyo. — Republican candidate Ted Cruz is promising to roll back what he calls President Barack Obama's 'war on coal' if he's elected president.

The Texas senator has addressed the Republican State Convention in Casper on Saturday.

Wyoming has seen coal industry layoffs in recent months.

Cruz drew applause promising to protect gun rights and turn federal lands in the West to the states.

Lynne Cheney, the wife of former Vice President Dick Cheney, introduced Cruz.

Cruz scored 9 of 12 available delegates at Wyoming's county conventions last month while Donald Trump and Florida Sen. Marco Rubio each scored one. One delegate remains uncommitted. Trump hasn't campaigned in Wyoming.

Wyoming Republican officials on Saturday were still tabulating votes for the state's remaining 14 delegates.