_dta:
  1.  by Jean Roth , jroth@nber.org , 2012-10-05
  2.  by Jean Roth , jroth@nber.org , 2012-10-10

  obs:       211,267                          
 vars:             8                          15 Jun 2014 20:37
 size:    25,563,307                          (_dta has notes)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
state           str2    %2s                   State (FIPS)
statename       str20   %20s                  State Name
county          str5    %9s                   County
countyname      str43   %43s                  County Name
tract           str6    %9s                   Census Tract
tractname       str20   %20s                  Tract Name
blkgrp          str12   %12s                  State FIPS + County FIPS + Tract + Block Group
blkgrpname      str13   %13s                  Blkgrp Name
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sorted by:  state  county  tract  blkgrp