From surveys made in the Summer of 1921 by the Topographical Surveys Branch.; Relief shown by spot heights. Depths shown by soundings.; Includes table of distances, notes, source information and 2 inset maps.; At head of title: "Department of the Interior." 56 x 81 centimeters Scale 1:253,440; 1 inch = 4 miles. General Map Collection
Use of this item may be governed by US and international copyright laws. You may be able to use this item, but copyright and other considerations may apply. For possible additional information or guidance on your use, please contact the contributing organization.