A 2007–2008 excavation of several of Cope's and Marsh's sites suggest that the damage perpetrated by the two paleontologists was less than what has been reported.
Unha escavación realizada entre 2007 e 2008 en varios dos sitios arqueolóxicos escavados por Cope e Marsh suxeriu que os danos causados polos dous paleontólogos foron menores do que se consideraba ata entón.