The Papers of Charles Wood Irish are organized into five series: personal documents, government and work documents, correspondence, photographs, and maps, surveys, and diagrams. These papers reflect various aspects of Irish's career, including early railroad surveying done in Iowa and the West during the 1850s to the 1880s; Bureau of Irrigation activity, 1893 -- 1896; western mining data, 1889 -- 1900; and correspondence 1852 -- 1904, including letters from Joaquin Miller and John P. Irish. Maps, surveys, and diagrams are organized by state and include a variety of maps and blueprints related to rivers, topography, and railways.