Index of /zip/sas/2011/desc/zipcode_distances/byvar/tab
Parent Directory
gckm.txt
gcmi.txt
x.txt
x2.txt
y.txt
y2.txt
zip.txt
zip2.txt
Apache/2.4.46 (FreeBSD) PHP/7.4.16 OpenSSL/1.1.1h-freebsd mod_apreq2-20090110/2.8.0 mod_perl/2.0.11 Perl/v5.32.0 Server at data.nber.org Port 80