ketsugannara
1. If/when shale; When there is shale
Noun
#223024
1. If/when shale; When there is shale
1. shale
1. oil shale
1. oil shale
1. oil shale
1. oil shale
1. shale oil
1. If/when shale; If it were shale
1. Wasn't shale.; Wasn't slate.
1. Not shale.; Not slate.