What does "niobrara" mean?

The Niobrara River in Wyoming and Nebraska, United States, which is a tributary of the Missouri River.

Niobrara

Common synonyms include: chalk formation, county of wyoming, geologic formation, niobrara-related, niobraran, niobraranic.

name

name ·Rare ·Advanced level

Proper Noun

1
The Niobrara River in Wyoming and Nebraska, United States, which is a tributary of the Missouri River.
2
A village in Knox County, Nebraska, United States.