The Egyptians' primary source of bitumen was the Dead Sea, which the Romans knew as Palus Asphaltites (Asphalt Lake).
ðɪ ɪdʒˈɪpʃənz pɹˈaɪmɚɹi sˈoːɹs ʌv bɪtˈuːmɛn wʌzðə dˈɛd sˈiː, wˌɪtʃ ðə ɹˈoʊmənz nˈuː æz pˈæləs ˈæsfɐltˌaɪts ˈæsfɔlt lˈeɪk.