Address from the old chain are not in the snapshot file above. Copied the wallet over and nothing showed up there either.

For example, SadfeVszcowJrfP5sPm5zv61jeNsHAAVEi had >3000 B3.

Dev - need some help here. Old chain addresses with balances:

SadfeVszcowJrfP5sPm5zv61jeNsHAAVEi 3398
SbSAPro2U7wRUtEcB7oEyxnHURbuJsLcGN 318
STDxZduj8PoL1VeyDuGe9dgYbLTJBBvoRi 194
SXJp2HZ42gsoHvjTESTgSY2KJzid8FqkRH 190
SSuju83Tdz2vHHqZ6uWn5eA76TFgbjfQnr 129
SdBqeyLJepU6hYsSRtEgWZZX7B2HxQ8V5E 35