[Orca Network] 5-6 Biggs,  T99s, and possibly T38C if still with them. Northbound (Marilyn Armbruster)
{"aggregatorChain": "Whale Alert / Maplify (WASEAK) > Orca Network", "travelDirection": "north", "aggregatorSource": "Orca Network", "unvalidatedIdentifiers": ["T99s", "T38C"]}