Source Information
Ancestry.com. U.S., Panama Canal Zone, Employment Records and Sailing lists, 1884-1937 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2019.Original data: United States, Panama Canal Zone, Employment Records and Sailing lists, 1905-1937. Salt Lake City, Utah: FamilySearch, 2019.
NARA Record Group 185: National Personnel Records Center, St. Louis, Missouri, U.S.A.
About U.S., Panama Canal Zone, Employment Records and Sailing lists, 1884-1937
This collection contains employment records from the Panama Canal Zone.
You can learn more about this collection at the FamilySearch website.