National Ocean Survey.Wilkes, Charles, 1798-1877By the U.S. Ex. Ex., Charles Wilkes, Esqr., Commander U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Survey. Relief shown By hachures; depths shown By soundings. Binder's title. Sheets numbered 135 to 161. 38 maps on 27 sheets; 86 x 88 cm. or smaller.JPEGbf270053-83b7-4331-bc3f-0550e0eb6cbcengPublic[Wilkes Exploring Expedition maps, 1841]MapsOregon--Pacific Northwest1841University of Michigan