Barrow A-4 NW, AK — USGS 7.5-minute topo (2020)

USGS US Topo 7.5-minute quadrangle for Barrow A-4 NW, Alaska, 2020 edition (published 2020-06-23). Contours, roads, trails, water features, place names and a UTM/MGRS grid on a 1:24,000 topographic sheet. Public domain map from the U.S. Geological Survey. Downloads directly from the USGS National Map. When USGS publishes a newer edition it shows up here as a free update.