A cartographic representation depicting the geographical boundaries, features, and points of interest within the states of Washington and Oregon. This visual aid commonly includes details such as state borders, major cities, rivers, mountain ranges, and transportation networks like highways and railways. For example, a detailed version might show elevation changes, national parks, and indigenous territories.
These geographical portrayals serve a multitude of essential functions, from facilitating navigation and travel planning to aiding in resource management and urban development. Historically, these documents were crucial for exploration and settlement. Their accuracy and level of detail have significantly improved over time with advancements in surveying techniques and mapping technologies. These instruments are vital tools for understanding the spatial relationships and characteristics of the Pacific Northwest region.