Railroad Archives Online
- CollectionD0324 - Washington State Archives Railroad Valuation Map Deposit
- Series10 - Great Northern Railway Company (U.S.)
- Subseries Level 112 - Cartographic materials
- Subseries Level 22 - Plats
- 85 more...
- ItemGNValuationMap0086 - Great Northern Plat Map, Soap Lake, Washington. Milepost 1590-1594, undated
- ItemGNValuationMap0087 - Great Northern Plat Map, Fairchild Air Force Base, Washington. Milepost 1595-1597, undated
- ItemGNValuationMap0088 - Great Northern Plat Map, Soap Lake, Washington. Milepost 1594, undated
- ItemGNValuationMap0089 - Great Northern Plat Map, Ephrata, Washington. Milepost 1597-1601, undated
- ItemGNValuationMap0090 - Great Northern Plat Map, Fairchild Air Force Base, Washington. Milepost 1597, undated
- ItemGNValuationMap0091 - Great Northern Plat Map, Ephrata, Washington. Milepost 1599, undated
- ItemGNValuationMap0092 - Great Northern Plat Map, Naylor, Washington. Milepost 1602-1605, undated
- ItemGNValuationMap0093 - Great Northern Plat Map, Winchester, Washington. Milepost 1606-1609, undated
- ItemGNValuationMap0094 - Great Northern Plat Map, Washington. Milepost 1610-1613, undated
- 155 more...