Coverages date back to as early as the 1930s to as recent as 1997. You can order by fax or phone. Pricing information is on the order form. The wetland maps, land use maps, and Census maps are sent to a vendor to be copied.
Wetland maps show wetlands and are at the same scale as the topo maps.
Land use maps show agricultural and urban uses. Census maps show census geography. Floodplain maps show 100-year floodplains by county. Aerial maps are a photo record of the land surface and are very useful because they show changes with time. The DOQs are color-infrared aerial photos in digital format.