Safeguard the gateways, of Alaska
Subtitle: her waterways
Contributors: Jones, Ernest Lester, 1876-1929
Series: Its  Special publication. no. 50; Special publication (U.S. Coast and Geodetic Survey) -- no. 50
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Hydrography; Economic conditions