Monongahela Connecting Railroad Company, Y Trestle, South side of Mono...
Significance: Permitted access between the Monongahela Connecting Railroad and former Pittsburgh and Lake Erie Railroad. P&LE was a major hauler of raw materials into and semi-finished steel products from form... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Y Trestle, South side of Mono...
Significance: Permitted access between the Monongahela Connecting Railroad and former Pittsburgh and Lake Erie Railroad. P&LE was a major hauler of raw materials into and semi-finished steel products from form... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Y Trestle, South side of Mono...
Significance: Permitted access between the Monongahela Connecting Railroad and former Pittsburgh and Lake Erie Railroad. P&LE was a major hauler of raw materials into and semi-finished steel products from form... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Y Trestle, South side of Mono...
Significance: Permitted access between the Monongahela Connecting Railroad and former Pittsburgh and Lake Erie Railroad. P&LE was a major hauler of raw materials into and semi-finished steel products from form... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Main Bridge, Spanning Mononga...
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during th... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More
Monongahela Connecting Railroad Company, Y Trestle, South side of Mono...
Significance: Permitted access between the Monongahela Connecting Railroad and former Pittsburgh and Lake Erie Railroad. P&LE was a major hauler of raw materials into and semi-finished steel products from form... More
Monongahela Connecting Railroad Company, Hot Metal Bridge, Spanning Mo...
Significance: Formerly enabled the hauling of molten iron from J & L Blast Furnaces on the north side over the bridge to the Open Hearth Furnaces on the south side of the Monongahela River. Survey number: HAER... More