Mobile Mapping
(iPhone and Android in Web Browser)
(Andoid and MacOS  as native app)
Help online (no index, table of contents, search functions).


(not on a USNA computer)

Round Bay, Maryland, USGS 7.5' DEM.

MICRODEM is a freeware microcomputer mapping program written by Professor Peter Guth of the Oceanography Department, U.S. Naval Academy.  It requires a 64 bit version of Windows; an older version, which is not being updated, runs on 32 bit operating systems.  You may freely use MICRODEM with no restrictions.

MICRODEM displays and merges 

  • digital elevation models
  • satellite imagery 
  • scanned maps
  • vector map data
  • GIS databases

From sources such as:

  • US Geological Survey
  • National Geospatial Intelligence Agency
  • Census Bureau
  • National Ocean Survey
  • British Ordnance Survey
  • Landsat TM


  Last Update: 8/29/2017