▁nine ▁recognized ▁Michigan ▁historical ▁markers ▁in ▁the ▁city . ▁They ▁are : ▁ ▁Detroit ▁Ar sen al ▁T ank ▁Plant ▁which ▁built ▁a ▁quarter ▁of ▁the ▁Sh erman ▁t anks ▁produced ▁by ▁the ▁United ▁States ▁in ▁World ▁War ▁II , ▁and ▁which ▁produced ▁M 1 ▁Abr ams ▁tank ▁( al ong ▁with ▁a ▁plant ▁in ▁Lima , ▁Ohio ) ▁until ▁ 1 9 9 6 . ▁ ▁Detroit ▁Memorial ▁Park ▁C emetery . ▁In vent or ▁E lij ah ▁Mc Co y ▁is ▁buried ▁there , ▁as ▁noted ▁on ▁the ▁historical ▁marker . ▁Form er ▁member ▁of ▁the ▁band ▁The ▁Sup rem es ▁Florence ▁Ball ard ▁is ▁also ▁buried ▁there . ▁ ▁Er in ▁- ▁Warren ▁Fra ction al ▁District ▁No . ▁ 2 ▁School ▁ ▁General ▁Mot ors ▁Techn ical ▁Center ▁ ▁Warren ▁T ruck ▁Assembly , ▁on ▁location ▁since ▁ 1 9 3 8 ▁ ▁Governor ▁Alexander ▁Joseph ▁Gro es beck ▁ ▁John ▁The isen ▁House ▁ ▁Village ▁of ▁Warren ▁ ▁Warren ▁Township ▁District ▁No . ▁ 4 ▁School ▁ ▁Warren ▁Union ▁C emetery ▁ ▁The ▁t enth ▁and ▁ele vent h ▁markers ▁are ▁techn ically ▁in ▁Center ▁Line , ▁Michigan ▁but ▁are ▁included ▁because ▁of ▁their ▁proxim ity ▁( both ▁in ▁distance ▁and ▁in ▁history ) ▁to ▁Warren : ▁ ▁St . ▁Clement ▁Catholic ▁Church ▁ ▁St . ▁Clement ▁Catholic ▁C emetery ▁ ▁Additionally , ▁about ▁two ▁dozen ▁markers ▁have ▁been ▁placed ▁around ▁designated ▁sites ▁in ▁the ▁city ▁by ▁the ▁Warren ▁Historical ▁and ▁Gene alog ical ▁Society . ▁ ▁Notable