KnowraGuanoLinked fromLinked fromThe 14 pages that link to Guano, each with the reason it gives.All 14Broader topic 2Related 8Narrower topic 2Compared with 2Guano Islands ActNarrower topic: The act made deposits of this valuable fertilizer the basis for island claims.Navassa IslandNarrower topic: Navassa's phosphate-rich guano deposits attracted American claimants in the nineteenth century.