分水 ぶんすい山脈 さんみゃくじゃなかったです
bunsuisammyakujanakattadesu

Noun
Desu Copula

The polite, past negative form of 分水山脈

1. Wasn't a watershed range.; Wasn't a dividing range.

Past/Perfective
Negative
Polite
Casual Register