| Drill Hole | 8.1 mi | Zinc | — | Past Producer |
| Welch Sandstone Quarry | 8.4 mi | Flagstone | Surface | Past Producer |
| Orill Hole | 9.9 mi | Zinc | — | Past Producer |
| Drill Hole | 10.5 mi | Zinc | — | Past Producer |
| Drill Hole | 10.6 mi | Zinc | — | Past Producer |
| Lewis Quarry | 10.8 mi | Stone, Crushed/Broken | Surface | Producer |
| Hootman Farm Quarry | 12.3 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Drill Hole | 13.0 mi | Zinc | — | Past Producer |
| Stephenson Sand Plant | 13.6 mi | Construction Sand and Gravel | Surface | Active |
| Unknown | 13.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Nupp Quarry | 13.9 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Selma-Nedrow Quarry | 14.2 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unknown | 14.4 mi | Limestone, Dimension | Surface | Past Producer |
| Cantera Stripping Crew | 14.5 mi | Construction Sand and Gravel | Surface | Intermittent |
| Sand and Gravel Crew Number One (1) | 14.9 mi | Construction Sand and Gravel | Surface | Intermittent |
| Winsell-Clayton Quarry | 15.3 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Rowell Farm Pit | 15.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Ulmer Pit | 15.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Gardner Quarry | 15.9 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Drill Hole | 15.9 mi | Zinc | — | Past Producer |
| Drill Hole | 16.1 mi | Zinc | — | Past Producer |
| Drill Hole | 16.3 mi | Zinc | — | Past Producer |
| Unknown | 17.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Crew Two | 17.4 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Rip Rap Plant | 17.4 mi | Crushed, Broken Limestone NEC | Surface | Intermittent |
| Old City Quarry | 17.8 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Douds Quarry | 18.0 mi | Crushed, Broken Limestone NEC | Underground | Abandoned |
| Portable Wash Plant #1 | 18.0 mi | Construction Sand and Gravel | Surface | Intermittent |
| Unknown | 18.0 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Douds Underground Mine | 18.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Ottumwa Pit | 18.5 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Drill Hole | 18.6 mi | Zinc | — | Past Producer |
| Portable Wash Plant # 3 | 18.7 mi | Construction Sand and Gravel | Surface | Intermittent |
| Wapello County Sand & Rock | 18.7 mi | Construction Sand and Gravel | Surface | Abandoned |
| Sargent Quarry | 18.8 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Bear Creek Quarries | 18.9 mi | Limestone, Dimension | Surface | Past Producer |
| Douds Drilling | 19.1 mi | Crushed, Broken Limestone NEC | Surface | Abandoned |
| Crew Three | 19.1 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Materials Service Pit | 19.3 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Van Buren County Quarry | 19.8 mi | Stone, Crushed/Broken | Surface | Producer |
| Harrows Branch Quarries | 19.9 mi | Limestone, Dimension | Surface | Past Producer |
| Wagner Quarry | 20.4 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unk | 20.7 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unk | 20.7 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unknown | 20.8 mi | Clay | Surface | Past Producer |
| Unk | 20.8 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Drill Hole | 21.2 mi | Zinc | — | Past Producer |
| Drill Hole | 21.3 mi | Zinc | — | Past Producer |
| W. Ottumwa Sand | 21.4 mi | Sand and Gravel, Construction | Surface | Producer |
| Unknown | 21.4 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unk | 21.6 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unk | 22.5 mi | Sand and Gravel, Construction | Offshore | Past Producer |
| Ottumwa Brick and Tile Co. | 22.7 mi | Clay | Surface | Past Producer |
| Can-Tex Industries Ottumwa Pit | 22.7 mi | Clay | Surface | Producer |
| Unknown | 22.9 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Unknown | 23.0 mi | Clay | Surface | Past Producer |
| Unk | 23.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Unknown | 23.3 mi | Limestone, Dimension | Surface | Past Producer |
| Drill Hole | 23.3 mi | Zinc | — | Past Producer |
| Drill Hole | 23.4 mi | Zinc | — | Past Producer |
| Miller Quarry | 23.7 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Old County Quarry | 23.9 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Centerville Quarry | 24.0 mi | Stone, Crushed/Broken | Surface | Past Producer |
| South Avery Creek Quarry | 24.1 mi | Limestone, Dimension | Surface | Past Producer |
| Crew Four (4) | 24.7 mi | Construction Sand and Gravel | Surface | Abandoned |
| Drill Hole | 24.7 mi | Zinc | — | Past Producer |
| Mott Quarries Shop | 24.8 mi | Stone, Crushed/Broken | Processing Plant | Producer |
| Unknown | 24.8 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Stewart Quarry | 25.0 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Kincade Quarry | 25.0 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Wapello Quarry | 25.0 mi | Stone, Crushed/Broken | Surface | Past Producer |