Cartographic records, 1785-1966 (114,351 items), consist of Division "B" plats of townships in California, Colorado, Oregon, Idaho, Montana, New Mexico, Wyoming, and South Dakota, showing mines and mining claims and, in some instances, patent numbers and dates and survey and document numbers, 1872-96; Division "E" records included manuscript and annotated maps (the "old map file") showing development and disposal of public lands in the United States and in individual States and territories, 1790-1946; field notes and related textual records (the "old case F file") of State, territorial, and Indian-land boundaries, 1809-72; manuscript plats and diagrams of Indian lands and boundaries in Kansas, 1857-65, the Indian Territory, 1856-92, and Indiana, Michigan, and Ohio, 1807-49; plats and field notes for townsites, city parks, cemeteries, and Government properties in public land States; township plats showing naval timber reserve requirements in Alabama, Florida, Louisiana, and Mississippi, and public land withdrawals in California, Colorado, Montana, and New Mexico, 1908-31; and plats of private land claims in Arizona, California, Colorado, Florida, New Mexico, Louisiana, Illinois, and Missouri, 1853-1915. Most manuscript plats and field notes from the original public land surveys are in the custody of the Bureau of Land Management, but Division "E" records also include plats and field notes from the survey of the seven ranges in Ohio (the first public land survey), 1785-87. Also included among Division "E" records are plats of township surveys made by deputy surveyors supervised by a surveyor general, including headquarters plats for Illinois, Indiana, Iowa, Kansas, Missouri, and Ohio, 1785-1946; and local office plats for Alabama, Indiana, Iowa, Kansa, Mississippi, Missouri, Wisconsin, Ohio, the Indian Territory, and Washington, 1803-91. some of the local office plats include land entry numbers and entrymen's names. Included are Division "F" manuscript and annotated maps (the signed copies authorizing companies to construct facilities on public lands) showing railroad land grants and rights-of-way through public lands for railroads, military and other wagon roads, canals, irrigation ditches, transmission lines, reservoirs, and quarries, 1851-1939. There are Division "K" township lats and diagrams of lands on Indian reservations that show the classification and status of lands offered for settlement, 1904-31. The map file of Division "N" consists of survey plats of mineral claims in Alabama, Alaska, Arizona, Arkansas, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, and Wyoming, 1872-1908. Cartographic records prepared by the Grazing Service include maps and diagrams of grazing districts in Arizona, Colorado, and New Mexico, 1934-45. Also included are the Bureau of Land Management's published atlas of Alaska, showing Federal land withdrawals and reservations, 1952; and detailed maps and aerial survey photoprints, with photo-index negative and prints, of the Louisiana coastline, 1953-57. Audiovisual records (100 items) consist of photographs of the opening of the Cherokee Strip, Oklahoma Territory, 1893; and photographs relating to the ecologic survey of Ferry Lake, Caddo Parish, La., 1914.
