opened on:   4 Jan 2016, 14:02:29

_dta:
  1.  Census 2000 SF1 .do and .dct files are by Jean Roth , jroth@nber.org ,
      2012-11-08
  2.  Census 2000 SF1 notes are by Jean Roth , jroth@nber.org , 2012-11-08
  3.  by Jean Roth , jroth@nber.org , 22 Aug 2014
  4.  Census 2010 SF1 Summary Level 160
  5.  Unique identifier is state place
  6.  Distances between Place that are within 50000 miles

place1:
  1.  Place (FIPS)7, 8 PLACE 5 46 A/N
  2.  00001-89999 Incorporated place or census designated place (CDP)

place2:
  1.  Place (FIPS)7, 8 PLACE 5 46 A/N
  2.  00001-89999 Incorporated place or census designated place (CDP)

> s.dta
  obs:   871,046,682                          
 vars:             5                          22 Aug 2014 03:20
 size:19,163,027,004                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
state1          str2    %9s                   FIPS State 1
place1          str5    %9s                 * FIPS Place 1
mi_to_place     double  %10.0g                Distance between places that are
                                                within 50000 miles
state2          str2    %9s                   FIPS State 2
place2          str5    %9s                 * FIPS Place 2
                                            * indicated variables have notes
-------------------------------------------------------------------------------
Sorted by: state1  place1  mi_to_place  state2  place2