My Great Grandmother, My Great Great Grandfather, My Grandmother's Emigration to the United States

My great grandparents, on my dad's side, they both emigrated to the united states when they were 13 or 14 from wales. They went into ohio and started mining coal, which is what they'd done in wales. And then he joined the army and went out and was the first e, he was in the first group of troops to com find little bighorn after custer had been wiped out.