Other Resources

Interactive Maps

  • The State of Maryland has created and collected an entire suite of interactive maps. These can be found through the online portal called MDiMap
  • The Maryland Department of Natural Resources provides several interactive maps.
  • Interactive Soil maps can be found at the USDA’s Web Soil Survey.

Digital Data

Land Records


  • Historic USGS Quad maps of the county and surrounding areas can be found at this collaborative site sponsored by the University of New Hampshire. We have provided the local USGS Quad maps on our Historic Maps page.
  • The David Rumsey online map collection boasts an impressive selection of historic maps, many of which cover Maryland and the surrounding areas.
  • In conjunction with the Department of Community Planning & Building, we have created an interactive map for the historic "Mackall Road Route" driving tour.