. . . "1861Z"^^ . . . . . . . "Americanengineer,professor,geologist,mineralogist,pisciculturist, andfisheries scientist" . . . "1895Z"^^ . "1865Z"^^ . . "Chief Assistant Commissioner of the United States Commission of Fish and Fisheries" . . . . . . . "1835Z"^^ . . . . "United States Commissioner of Fish and Fisheries" . . "1835-10-18Z"^^ . "Marshall McDonald"@en . . "Marshall McDonald (October 18, 1835 \u2013 September 1, 1895) was an American engineer, geologist, mineralogist, pisciculturist, and fisheries scientist. McDonald served as the commissioner of the United States Commission of Fish and Fisheries from 1888 until his death in 1895."@en . . "1895-09-01Z"^^ . . "McDonald, Marshall"@en . . . . .