Monroe County Coal Mines 1912
- Wapello Coal Co, Mine #5; northwest of Hiteman; connected to C B & Q railroad; shaft opening; room & Pillar working; steam powered; fan ventilation
- Wapello Coal Co, Mine #6; northwest of Hiteman; connected to C B & Q railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Smoky Hollow Coal Co, Mine #6; 4 miles southeast of Hynes; connected to C B & Q railroad; slope opening; room & pillar working; steam powered;fan ventilation
- Smoky Hollow Coal Co, Mine #7; 4 miles southeast of Hynes; connected to C B & Q railroad; slope opening; room & pillar working; steam powered;fan ventilation
- Phillips Fuel Co, Mine #6; west of Foster; connected to C M & St. P railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Hocking Coal Co, Mine #3; 2 1/2 miles south of Albia; connected to Iowa Cent. railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Star Coal Co; northwest of Albia; connected to C B & Q railroad; shaft opening; room & Pillar working; steam powered; fan ventilation
- White Ash Coal Co; south of Avery; connected to C B & Q railroad; slope opening; room & Pillar working; steam powered; fan ventilation
- Albia Coal Co; south of Albia; connected to Iowa Cent. railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- National Union Coal Co; southwest of Hiteman; connected to C B & Q railroad; shaft opening; room & Pillar working; steam powered; fan ventilation
- Hocking Coal Co, Mine #4; west of Hocking; connected to Iowa Cent. railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Smoky Hollow Coal Co, Mine #8; south of Hynes;connected to C B & Q railroad; shaft opening; room & Pillar working; steam powered; fan ventilation
- Consolidation Coal Co, Mine #12; superintendent E M Baysoar; Buxton post office; connected to C & N W railroad; shaft opening; room & pillar working; steam & electricity powered; two fan ventilation
- Consolidation Coal Co, Mine #15; superintendent E M Baysoar; Buxton post office; connected to C & N W railroad; shaft opening; room & pillar working; steam & electricity powered; fan ventilation
- Consolidation Coal Co, Mine #16; superintendent E M Baysoar; Buxton post office; connected to C & N W railroad; shaft opening; room & pillar working; steam & electricity powered; fan ventilation
- Consolidation Coal Co, Mine #17; superintendent E M Baysoar; Buxton post office; connected to C & N W railroad; shaft opening; room & pillar working; steam & electricity powered; fan ventilation
- Coalfield Fuel Co; superintendent W P Jamieson; Coalfield post office; connected to M & St. L railroad; slope opening;room & pillar working; steam powered; furnace ventilation
- Central Coal Co, Mine #2; superintendent T L Evans; Lockman post office; connected to M & St. L railroad; slope opening;room & pillar working; steam powered; furnace ventilation
- Central Coal Co, Mine #3; superintendent T L Evans; Lockman post office; connected to M & St. L railroad; slope opening;room & pillar working; steam powered; furnace ventilation
- Regal Coal Co; superintendent Daniel Regal; Albia post office; connected to C & N W railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Hoover Fuel Co; superintendent C A Hoover; Lakonta post office; connected to C & N W railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Hildabiddle Coal Co; superintendent Abram Hildabiddle; Eddyville post office; local product only; slope opening; room & pillar working; horse powered; furnace ventilation
- Maple Coal Co; superintendent H M Shuler; Des Moines post office; connected to C & N W railroad; shaft opening; room & pillar working; steam powered; fan ventilation
- Crescent Coal Co, Mine #6; superintendent C C Geiger; White City post office; shaft opening; room & pillar working
- Crescent Coal Co, Mine #7; superintendent C C Geiger; White City post office
Sixteenth Biennial report of the State Mine Inspectors, to the Governor of the State of Iowa for the Two Years Ending June 30, 1912
by Iowa Department of Mine Inspectors