Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
The Flathead Sandstone was deposited mostly along or near an ancient coastline in the Cambrian period.
Source: https://k2radio.com/when-the-top-of-the-bighorns-was-at-the-bottom-of-the-sea/