[PSWS] Presume Biggs T36, T36Bs heading north loosely grouped. 
(Alisa Lemire Brooks) Submitted by a Cascadia Trusted Observer Via Webmap
{"aggregatorChain": "Whale Alert / Maplify (WASEAK) > PSWS", "travelDirection": "north", "aggregatorSource": "PSWS", "unvalidatedIdentifiers": ["T36", "T36Bs"]}