. ▁The ▁Canad ians ▁absol ved ▁Man it ob as ▁Captain ▁Sym es ▁of ▁any ▁bl ame . ▁ ▁Tre asure ▁ship ▁ ▁Com et ▁was ▁first ▁dub bed ▁a ▁" true ▁tre asure ▁ship " ▁by ▁ship w reck ▁historian ▁Frederick ▁Stone house ▁in ▁ 1 9 7 3 . ▁When ▁she ▁s ank , ▁her ▁vessel ▁was ▁val ued ▁at ▁$ 4 5 , 0 0 0 ▁and ▁the ▁cargo ▁at ▁$ 5 0 , 0 0 0 . ▁The ▁S ault ▁Even ing ▁News ▁of ▁S ault ▁Ste . ▁Marie , ▁Michigan ▁announced ▁in ▁ 1 9 8 0 ▁that ▁Com et ▁was ▁the ▁" only ▁known ▁tre asure ▁ship ▁on ▁the ▁bottom ▁of ▁the ▁lake " ▁when ▁interview ing ▁Great ▁L akes ▁Sh ip w reck ▁Historical ▁Society ▁[ GL SH S ] ▁sp ok esp erson ▁Tom ▁F arn qu ist . ▁Com et ▁carried ▁ 5 0 0   tons ▁of ▁p ig ▁iron , ▁some ▁co pper ▁ore , ▁ 5 4 ▁s acks ▁of ▁w ool , ▁and ▁ 7 0   tons ▁of ▁Mont ana ▁silver ▁ore ▁picked ▁up ▁at ▁D ul uth ▁and ▁cons igned ▁to ▁Philadelphia , ▁Pennsylvania . ▁E ff ort s ▁to ▁salv age ▁Com ets ▁cargo ▁failed ▁in ▁ 1 8 7 6 ▁and ▁again ▁in ▁ 1 9 3 8 ▁when ▁the ▁w reck ▁could ▁not ▁be ▁found . ▁The ▁GL SH S ▁in ▁the ▁ 1 9 8 0 s ▁extens ively ▁fil med ▁and ▁salv aged