User-agent: *
Disallow: /fdsys/scripts/
Disallow: /fdsys/browse/ 

Sitemap: https://www.gpo.gov/sitemap/sitemap-index.xml
Sitemap: https://www.gpo.gov/sitemap/sitemap.gz
Sitemap: https://www.gpo.gov/smap/bulkdata/sitemapindex.xml
Sitemap: https://www.gpo.gov/smap/fdsys/sitemap.xml