2023 Map of Demarcation Point D-5 NW

About this map

The Okpilak River dominates this portion of the North Slope, carving a braided path through the coastal plain as it flows toward the Arctic Ocean. This modern survey, situated within the Arctic National Wildlife Refuge, documents the shifting hydrology of a landscape largely untouched by permanent human infrastructure. The map provides a detailed view of the intricate network of wetlands, small ponds, and alluvial deposits that characterize the tundra environment during the early 21st century. Defined by the Public Land Survey System grids of t8n r33e through t6n r34e, the terrain remains a vast expanse of ecological significance, where the absence of roads and settlements highlights the remote character of Alaska's northern reaches.