GPS III, AMERICAS
                             010-00126-00
                            (23 May 1998)

The GPS III, Americas version, includes the United States, Alaska,
Canada, Mexico, Central and South America, and covers an area from W180
to W30 Longitude, S60 to N75 Latitude. Also included is a high-level
worldwide map with political boundaries and major cities.  The standard
map coverage for the Americas version includes:
     1) Oceans, rivers and lakes (greater than 30 sq. miles)
     2) Principal cities and a small amount of smaller cities and towns
     3) Major interstates and principal highways
     4) Political boundaries (state and international borders)

A.  United States-In addition to the standard map coverage, it also
includes:
     1) Small lakes, major streams and rivers
     2) Principal urban areas (including Alaska and Hawaii)
     3) Railroads
     4) National and State level roads, plus some local roads in or near
urban areas
     5) More detailed coastline
     6) Small cities and towns

B.  Alaska-In addition to the standard map coverage, it also includes:
     1) National and State level roads, plus some local roads in or
near urban areas
     2) Lakes greater than 5 square miles
     3) Small cities and towns
     4) Railroads

C.  Canada-In addition to the standard map coverage, it also includes:
     1) Lakes greater than 5 square miles-Southern Canada
     2) Lakes greater than 10 square miles-Central Canada
     3) Railroads

D.  Mexico, Central and South America:
     1) Standard Map Coverage

                                   
                        GPS III, INTERNATIONAL
                             010-00126-01

The GPS III, International version, includes Europe, Asia, Africa,
Australia, and Oceania, and covers an area from W30 to E180 Longitude,
S60 to N75 Latitude.  Also included is a high-level worldwide map with
political boundaries and major cities and a portion of the South
Pacific.  The standard map coverage for the International basemap
includes:
     1) Oceans, rivers and lakes (greater than 30 sq. miles)
     2) Principal cities and a small amount of smaller cities and towns
     3) Major motorways and/or interstates and principal highways
     4) Political boundaries (state and international borders)

A.  Western Europe, South Africa, Australia, and Oceania-In addition to
the standard map
  coverage, it also includes:
     1) Small lakes, major streams and rivers
     2) Urban areas
     3) Railroads
     4) Regional arterial roadways
     5) Small cities and towns

B.  Southeast Asia, China and Japan-In addition to the standard map
coverage, it also includes:
     1) Lakes greater than 10 square miles
     2) Large urban areas
     3) Small cities and towns