Data storage and access, standardization of both digital and tabular data, creation of the data dictionary, compilation of metadata, and statewide GIS user information networks.
The interactive maps make use of the date-coding incorporated in the county boundary data. The maps allow the user to select any date and display the county configuration at that date. Several additional map layers are provided, including modern county seats, unsuccessful county proposals, modern county boundaries, and state boundaries. Each of these layers can be toggled on or off by the user.
An extensive collection of online maps, this link will direct you to those of Missouri. You can then narrow your search by type of map, location or cartographer.
The 19th-century St. Louis fire insurance maps are an important source of historical information to study the growth and development of post-Civil War St. Louis. Originally created for the fire insurance industry, these maps provide the most complete visual record of the evolving built environment in St. Louis, covering commercial, industrial, and residential neighborhoods.
Specific campsite maps, photo-realistic images of important river landmarks, animated virtual Missouri River travel, and an interactive map server offering various layers of geographical data on the Expedition's outward and homeward journeys joined with the natural and cultural history of the Missouri River corridor are all currently offered here.
Maps of Missouri illustrates the many ways maps convey times, places, and events. Approximately 100 maps of Missouri cities, towns, counties and the state are included in the exhibit. Most of the maps were created between the beginning of the nineteenth through the early twentieth century and appeared as single sheet maps or sections of atlases. Grouped by theme: Cities, Towns and Counties; Conservation and Environment; Discovery and Exploration; Cultural Landscapes; Military, Battle and Campaign; Transportation and Communication; and General Maps.
The Sanborn Fire Insurance Map Company, established in 1867, compiled and published maps of U.S. cities and towns for the fire insurance industry to assess fire risk. Documenting the layout of 390 Missouri cities from 1883 to 1951, the 1283 maps in the collection are an invaluable research tool for urban historians, architectural historians, environmentalists, genealogists and preservationists.