1993 Map of West of Paterson

About this map

Lake Umatilla dominates the southern landscape of this 1993 revision, where the Columbia River forms the border between Washington and Oregon. The map captures a critical ecological and industrial corridor, featuring the Umatilla National Wildlife Refuge and a complex of islands such as Big Blalock Island, Little Blalock Island, and Telegraph Island. To the north, the terrain rises sharply into the basalt formations of Paterson Ridge and Canoe Ridge, dissected by the drainage of Glade Creek and its tributary, East Glade Branch. Evidence of modern infrastructure is clear, with a prominent pipeline and a landing strip positioned above the river breaks. This survey provides a precise look at the mid-Columbia basin after the implementation of regional water management projects, showing the relationship between protected wildlife habitats and the utilitarian land use of the surrounding high desert.