The Captain Dan Thomsen records and documents concerning Steam Tug Hercules (SAFR 17112, HDC 237) are dated from 1907 to 1951.
The items include the original 1908 logbook kept by Captain Thomsen during the HERCULES epic maiden voyage from Camden, New
Jersey to San Francisco via the Straits of Magellan. An "Incident at Astoria" was recorded by Captain Thomsen in 1911. Other
items are a cash book with entries for HERCULES, navigation instructions, and a 1912-1913 pilot house log for the tugboat
DEFIANCE. Most of the original material in this collection is in a fragile condition and has been photocopied. These photocopies
are to be used for research purposes in place of the originals. The collection is available for research use as indicated.
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.
This collection is open for use unless otherwise noted.