W. Fieldgate & Son daybooks at Essex Record Office have 3 transactions that suggest SAN EMILIANO was in the Blackwater, but VRC for SAN EMILIANO and HEMITROCHUS show no visit to the River.
05-11-64 Shell Tankers
07-12-64 Shell Tankers
05-01-65 G.W. Osborne [Tollesbury Coach Company]
SAN EMILIANO was renamed HEMITROCHUS 1965 and broken up Kaohsiung 2 Oct 1977 [Miramar]