Which American railroad, located in Southwestern Montana and Idaho, was backed by the Northern Pacific Railway?
Gilmore and Pittsburgh Railroad: The Gilmore and Pittsburgh Railroad (G&P), now defunct, was an American railroad located in southwestern Montana and east-central Idaho. Northern Pacific Railway: The Northern Pacific Railway (reporting mark NP) was a transcontinental railroad that operated across the northern tier of the western United States, from Minnesota to the Pacific Northwest.
Gilmore and Pittsburgh Railroad