Dear Lewis Stabler,
Thank you for posting your request on History Hub!
We searched the National Archives Catalog and found the following 3 file units:
and the following series which has an entry for the vessel "Chagres:"
For more information about these non-digitized records, please contact the National Archives at College Park - Textual Reference (RDT2) via email at email@example.com.
We hope this is helpful. Best of luck with your research!