[OpHibernia] handle source industry closing #13
Description
When a source industry closes, have OpHibernia handle it
c.f. https://www.tt-forums.net/viewtopic.php?p=1178091#p1178091
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When a source industry closes, have OpHibernia handle it
c.f. https://www.tt-forums.net/viewtopic.php?p=1178091#p1178091