He assumed the fossils represented a sauropod but was no expert on that taxon .
Ratkevich assembled a team of volunteers and began securing the bones in the spring of 1995 ; excavations would only end in 1999 .
Ratkevich assumed the fossils represented a sauropod but was no expert on that taxon .
Ratkevich assembled a team of volunteers and began securing the bones in the spring of 1995 ; excavations would only end in 1999 .