1937-1969: Monolith Portland Midwest Coal Company Mined Coal Near Elmo
Page by Bob Leathers with contributions from Gary Milliken
The Monolith No. 2 open pit mine near Elmo opened coal production in 1937 and closed production in 1969. The mine produced, over 32 consecutive years of coal production, a total of 1,694,398 tons of coal with a peak work force of 60 workers in 1966. The mine produced coal for the Portland Cement Company in Laramie. No miners were killed in the Monolith mine.