(1968). Geohydrologic maps of Fillmore County, Nebraska / [peta]. Washington, D C : Department of the Interior.
Style de citation Chicago (17e éd.)Geohydrologic Maps of Fillmore County, Nebraska / [peta]. Washington, D C : Department of the Interior, 1968.
Style de citation MLA (9e éd.)Geohydrologic Maps of Fillmore County, Nebraska / [peta]. Washington, D C : Department of the Interior, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.