Nov. 21
1927 Picketing strikers at the Columbine Mine in northern Colorado were fired on by state police; six miners were killed.
Nov. 21
1927 Picketing strikers at the Columbine Mine in northern Colorado were fired on by state police; six miners were killed.
You've reached your monthly free article limit.
Cancel Anytime
Already have digital access? Log in
Print subscriber? Activate digital access