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
- 134 more...
- ItemGNValuationMap0135 - Great Northern Plat Map, Peshastin, Washington. Milepost 1669, undated
- ItemGNValuationMap0136 - Great Northern Plat Map, Leavenworth, Washington. Slide Area. Milepost 1672, undated
- ItemGNValuationMap0137 - Great Northern Plat Map, Leavenworth, Washington. Leavenworth Number 2 East, 1935
- ItemGNValuationMap0138 - Great Northern Plat Map, Leavenworth, Washington. Leavenworth Number 2 West, 1932
- ItemGNValuationMap0139 - Great Northern Plat Map, Leavenworth, Washington. Leavenworth Number 2, 1987
- ItemGNValuationMap0140 - Great Northern Plat Map, Leavenworth, Washington. Leavenworth Number 2 West, 1985
- ItemGNValuationMap0141 - Great Northern Plat Map, Douglas Creek, Washington. Milepost 0-3, 1908
- ItemGNValuationMap0142 - Great Northern Plat Map, Moses Coulee to Bonspur, Washington. Milepost 4-7, undated
- ItemGNValuationMap0143 - Great Northern Plat Map, Appledale, Washington. Milepost 8-11, undated
- 106 more...