Recent Examples on the WebIn exchange, Cahokian emissaries brought with them a kind of rock known as Burlington chert, a familiar resource for making their unique tri-lobed projectile points. Jayur Mehta, The Conversation, 30 Oct. 2020 However, the leaflets have somewhat toothed or lobed edges, the University of California Integrated Pest Management Program states. Caroline Picard, Good Housekeeping, 3 Aug. 2018