Boone County Iowa Coalmineshtm
Boone County Iowa Coal Mines. Annual reports of the condition of mines, and extent of mining operations in Boone county, Boonesboro, Iowa, Jan. 1st, 1879. Moingona Coal Company, Last year, worked 350 men this year, from 65 to 70 men, all told. This same company last year worked two 2 shafts, Nos. 4 and 5 respectively.