| Duff Pit |
|
Private |
|
Sand and Gravel |
| Duff Quarry |
|
Private |
|
Limestone |
| Duff Quarry |
C. E. Duff And Son, Inc. |
Private |
|
Stone, Crushed |
| Duff Sand Co. |
C. E. Duff And Son Inc. |
Private |
|
Sand and Gravel |
| East Liberty Quarry |
|
Private |
|
Limestone |
| East Liberty Quarry & Plant |
Connolly Conctruction Co. |
Private |
|
Stone, Crushed |
| Johnson Gravel Pit |
|
Private |
|
Sand and Gravel |
| Johnson's Gravel Pit |
Johnson'S Gravel Co |
Private |
|
Sand and Gravel |
| Logan Pit |
|
Private |
|
Sand and Gravel |
| Logan Pit |
Logan Sand And Gravel Co. |
Private |
|
Sand and Gravel |
| Neers Pit |
|
Private |
|
Sand and Gravel |
| Neers Pit |
Neers Engineering Laboratory |
Private |
|
Sand and Gravel |
| Northwood Stone & Asphalt Co. |
Northwood Stone And Asphalt Co. |
Private |
|
Stone, Crushed |
| Northwood Stone Quarry |
|
Private |
|
Limestone |
| Pifer Quarry |
|
Private |
|
Limestone |
| Ropp Pit |
Miller Brothers Inc. |
Unknown |
|
Sand and Gravel |
| Weiskittle Pit |
|
Private |
|
Sand and Gravel |
| Weiskittle Sand and Gravel Company |
Weiskittle Sand And Gravel Co. |
Private |
|
Sand and Gravel |