Idaho Railway Post Offices - Northern Pacific Main Line |
Routes on the Northern Pacific Main Line crossing northern Idaho: RPO Dates Comments PEND D'OREILLE & WALLULA 1882-1883 PEND D'OREILLE & WALLULA and WALLA WALLA & PORTLAND merged into HELENA & PORTLAND HELENA & PORTLAND 1883-1883 HELENA & PORTLAND divided into HELENA & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND HELENA & SPOKANE FALLS 1883-1884 HELENA & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND redivided into HELENA & HERON plus HERON & WALLULA plus WALLULA & PORTLAND HERON & WALLULA 1884-1885 HELENA & HERON plus HERON & WALLULA plus WALLULA & PORTLAND combined back into HELENA & PORTLAND HELENA & PORTLAND 1885-1888 route changed 1887 then ED/WD at SPOKANE FALLS route merged with PASCO & CLE ELUM plus TACOMA & PORTLAND and changed from via THE DALLES to via TACOMA MANDAN & HELENA plus HELENA & PORTLAND (via TACOMA) redivided into MANDAN & SPOKANE FALLS plus SPOKANE FALLS & PORTLAND MANDAN & SPOKANE FALLS 1888-1889 ED/MD at FORSYTH MD/WD at HELENA SAINT PAUL & MANDAN plus MANDAN & SPOKANE FALLS redivided into SAINT PAUL & HELENA plus HELENA & SPOKANE FALLS HELENA & SPOKANE FALLS 1889-1891 HELENA & SPOKANE 1891-1899 SAINT PAUL & HELENA plus HELENA & SPOKANE combined into SAINT PAUL & SPOKANE SAINT PAUL & SPOKANE 1899-1909 1D/2D at JAMESTOWN 2D/3D at MILES CITY 3D/4D at HELENA SAINT PAUL & SPOKANE divided into SAINT PAUL & MILES CITY plus MILES CITY & SPOKANE MILES CITY & SPOKANE 1909-1934 ED/WD at HELENA MILES CITY & SPOKANE plus SPOKANE PASCO & SEATTLE combined into MILES CITY & SEATTLE MILES CITY & SEATTLE 1934-1967 ED/MD at HELENA or BUTTE MD/WD at SPOKANE
Compiled by Mark Metkin - Revised November 12, 2007