 They crossed the Dwyka River on 3 May and the Hex River Pass on 22 May and were back at Vygekraal on 7 June, almost two and a half years after landing at Table Bay.Burke sailed for England in July 1842, taking back an "immense collection of living and dead animals and dried plants, seeds, bulbs etc"; the plant specimens finding their way to Kew.Burke kept a journal detailing his travels, from which excerpts were published by William Jackson Hooker in the London Journal of Botany in 1846.