Creator
- Ohio River Transportation Company1
- Parkersburg Rig & Reel Company1
- Shetler, Charles1
- Shippers Packet Company1
- Smith-Riffe Collection1
- Thistle, Roy.1
- Union Carbide Corporation. Hawk's Nest Project1
- Upper Monongahela Valley Planning1
- Ward Engineering Company1
- Wheeling Warf Boat Company1
- Woodbridge-Blennerhassett and Company1