Assertion: tailed prairie dog | /r/HasProperty | described by clark
Facets:
value: in 1804
type: TEMPORAL
Source sentences:
text: The black-tailed prairie dog (Cynomys ludovicianus) was first described by Lewis and Clark in 1804.
text: The black-tailed prairie dog (Cynomys ludovicianus) was first described by Lewis and Clark in 1804.