A.H. Sorensen Logbook and pamphlets (SAFR 14267, HDC 57) consists of one logbook and ten Notices to Mariners pamphlets dating
between 1978-1933. The logbook records the exercises Sorensen did to practice navigation calculations. The pamphlets give
the correction of sailing directions, light lists, and charts. It is published by the Hydrographic Office under the authority
of the Secretary of the Navy. This collection has been processed to the collection level and is open for use without restrictions.
This finding aid does not have an agency history, biography, or historical note.
Some material may be copyrighted or restricted. It is the researcher's obligation to determine and satisfy copyright or other
case restrictions when publishing or otherwise distributing materials found in the collections.