Plat Map of Union Pacific facilities at Milton, Oregon, January 13, 1945, Sheet Number 3, showing the Pendleton-Tucannon line.

Plat Map of Union Pacific facilities at Milton, Oregon, January 13, 1945, Sheet Number 4, showing the Pendleton-Tucannon line.

Plat Map of Union Pacific facilities at Milton, Oregon, January 13, 1945, Sheet Number 5, showing the Pendleton-Tucannon line.

Plat Map of Union Pacific facilities at Portland, Oregon, February 11, 1982, Sheet Number 2, Line Segment 647, showing the South Rivergate yard.

Plat Map of Union Pacific facilities at Portland, Oregon, February 11, 1982, Sheet Number 3, Line Segment 647, showing the South Rivergate yard.

Plat Map of Union Pacific facilities at Portland, Oregon, February 11, 1982, Sheet Number 1, Line Segment 647, showing the South Rivergate yard.

Plat Map of Union Pacific facilities at Portland, Oregon, February 11, 1982, Sheet Number 3, Line Segment 647, showing the South Rivergate yard.

Plat Map of Union Pacific facilities at Portland, Oregon, February 11, 1982, Sheet Number 1, Line Segment 647, showing the South Rivergate yard.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 1, Line Segment 647, showing the South Rivergate line.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 1, Line Segment 647, showing the South Rivergate line.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 2, Line Segment 647, showing the South Rivergate line, spurs.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 2, Line Segment 647, showing the South Rivergate line, spurs.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 2, Line Segment 647, showing the South Rivergate yard, spurs.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 3, Line Segment 647, showing the South Rivergate line, spurs.

Plat Map of Union Pacific facilities at Portland, Oregon, undated, Sheet Number 1, Line Segment 647, showing the South Rivergate yard, steel spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 2, showing the East Spokane, industry spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 7, showing the Fairgrounds, industry spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 8, showing the Fairgrounds, industry spurs, Great Northern interchange.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 1, showing the East Spokane.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 3, showing the East Spokane yard, Milwaukee Road yard, industry spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 4, showing the East Spokane yard, engine house, Milwaukee Road yard, industry spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 5, showing the East Spokane yard, Milwaukee Road interchange, industry spurs.

Plat Map of Union Pacific facilities at Spokane, Washington, undated, Sheet Number 6, showing the East Spokane, industry spurs.

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 2, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 3, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).

Plat Map of Walla Walla Valley Railroad, Northern Pacific facilities at Milton-Freewater, Oregon, February 1, 1962, Sheet Number 1, Line Segment 474, showing the Walla Walla-Milton Freewaterÿline (Walla Walla Valley Railway).