Northern Pacific passenger train number 5, Spokane-Seattle local, at Pomona, Washington, circa 1950. Seen from the cab of counterpart train number 6, diesel locomotive number 6507 leads train 5 between two semaphore signals as number 6's head brakeman walks up to relign the switch after number 5 has cleared. Photo by J.M. Fredrickson. Other Subject Classes: passenger train, diesel locomotive, semaphore signal, railroad crew

Plat Map of Northern Pacific facilities at Pomona, Washington, June 21, 1905, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, June 21, 1905, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, June 21, 1905, Sheet Number 3, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, June 21, 1905, Sheet Number 3, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, June 21, 1905, Sheet Number 2, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, undated, Sheet Number 1, Line Segment 48, showing the Pasco-Ellensburg line.

Plat Map of Northern Pacific facilities at Pomona, Washington, undated, Sheet Number 4, Line Segment 48, showing the Pasco-Ellensburg line.