Return to README CVS log

Up to [Research Unix] / researchv10dc / maps

Annotation of researchv10dc/maps/README, revision 1.1.1.1

1.1       root        1: phones:        central office codes with latitude and longitude
                      2: county.index:  standard USGS county and state numbers with names
                      3:        and bounding lat-lon boxes
                      4: *.x:   index to * for use by map(1)
                      5: 101,102,...:   various World Data Bank II feature classes; see /usr/bin/map
                      6: counties:      US county and state boundaries from census DIME files
                      7: states:        US state boundaries only
                      8: world: World Data Bank I coastlines
                      9: usplaces USGS PPLGAZ list of names of populated places from topo
                     10:           maps of US and possessions. sorted -df. fields are
                     11:        1. name with state abbrev, occasionally commented, as
                     12:           in `(Abandoned)'; sometimes prefixed # or suffixed *
                     13:           for unknown reasons
                     14:        2. one or two state-county codes; first two digits are
                     15:           state, last 3 are county. county code 000 is unknown.
                     16:        3. latitude in deg, positive north
                     17:        4. longitude in deg, positive west
                     18:        5. year of acceptance of name by board of geographic names
                     19:        6. altitude, feet
                     20:        7. population, 1980
                     21:        8. map reference, up to four 4-digit identifiers of 7.5-min
                     22:           topo sheets. in pacific territories the identifiers may
                     23:           have appendages -10, -25, or -DMA to indicate different
                     24:           map series.  identifiers of other forms are errors.
                     25:        one or more of fields 3-8 may be empty, trailing empties elided
                     26: statecodes: 2-digit codes used in usplaces, abbreviations, and
                     27:        full names of states and possessions

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.