Assertion: smallpox | /r/HasProperty | discovered down the missouri river
Facets:
value: aboard the st. peters
type: LOCATION
value: as northern kansas
type: LOCATION
Source sentences:
text: Even if the smallpox epidemic was not deliberately introduced among the villager Indians as germ warfare, the responsibility lies with the white traders and transport crew, who chose profit over precaution after smallpox was discovered aboard the St. Peters as far down the Missouri River as northern Kansas.