水鉛 すいえん鉛鉱 えんこうじゃありませんでした
suien'enkōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 水鉛鉛鉱

1. It was not lead.; It was not a lead mine.

Past/Perfective
Negative
Polite
Terminal Form
Geology