Scriptura › Dictionary › Bituminiferous 1 entry 1 source Bituminiferous Open directly Webster's 1828 Dictionary · 1828 Part of speech: adjective (a.) Producing bitumen. Kirwan.
1 entry 1 source Bituminiferous Open directly Webster's 1828 Dictionary · 1828 Part of speech: adjective (a.) Producing bitumen. Kirwan.