Locating Deleted Government Data & Information

Find Lost* Data

• Archive.org CDC mirror
• Harvard Dataverse
• Data Rescue Project
• Climate Program Portal    
• Harvard LIL Data.Gov mirror
• Data Lumos       

These sites contain data archived from the US federal government across many subject areas.

• Harvard Law Library Innovation Lab
  • Archive of data.gov
    Preserving U.S. Public Federal Data. "In recent months the Harvard Law School Library Innovation Lab has created a data vault to download, sign as authentic, and make available copies of public government data that is most valuable to researchers, scholars, civil society and the public at large across every field. To begin, they have collected major portions of the datasets tracked by data.gov, federal Github repositories, and PubMed.
• DataLumos
  • Hosted by ICPSR, DataLumos is crowd-sourced repository for valuable U.S. federal government data.
• End of Term Archive
  • The End of Term Web Archive captures and saves U.S. Government websites at the end of presidential administrations. The EOT has thus far preserved websites from administration changes in 2008, 2012, 2016, and 2020. They are currently accepting URL nominations for the End of Term 2024 Web Archive.
• ESRI ArcGIS Online
  • ESRI is a GIS vendor that publishes several U.S. Census Bureau data sets, including the American Community Survey, through its ArcGIS Online Platform. George Mason has licensed access to ESRI products and software. 
  • Access ArcGIS Online for George Mason students, staff, and faculty
  • Get more information about the University's site license.

• IPUMS
  IPUMS provides census and survey data from around the world integrated across time and space. IPUMS integration and documentation makes it easy to study change, conduct comparative research, merge information across data types, and analyze individuals within family and community contexts. Data and services available free of charge.
  • U.S. Census & U.S. American Community Survey
  • U.S. Current Population Survey Microdata
  • U.S. National Health datasets: National Health Interview Survey (NHIS), Medical Expenditure Panel Survey Data for Social, Economic, and Health Research (MEPS)
  • U.S. Higher Ed: Scientists and Engineers Statistical Data System (SESTAT), National Survey of College Graduates (NSGC), National Survey of Recent College Graduates (NSRGC), and Survey of Doctorate Recipients (SDR)
  • NHGIS & IHGS