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Federal
Mercury, carbon and nitrogen isotope ratios in seven Great Lake fish species from 1975 to 2021
Department of the Interior —
Atmospheric mercury (Hg) deposition, which has been declining in North America since 1985, is the preeminent delivery pathway to the Great Lakes, making them... -
DCGIS Data Archive February 2007
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
City
Historical License Applications
City of New York —
This dataset represents the state of completed license applications and renewals City Agencies Management Information System, (CAMIS) as of October 2013. -
Federal
Database for the U.S. Geological Survey Woods Hole Science Center's marine sediment samples, including locations, sample data and collection information (SED_ARCHIVE)
Department of the Interior —
The U.S. Geological Survey (USGS), Woods Hole Science Center (WHSC) has been an active member of the Woods Hole research community for over 40 years. In that time... -
County
Assessor [Archived 05-11-2022] - Residential Modeling Characteristics (Chicago)
Cook County of Illinois —
This data set contains characteristic data points used by the Cook County Assessor in the 2021 Chicago reassessment to produce initial estimates of the current market... -
DCGIS Data Archive July 2003
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
DCGIS Data Archive January 2016
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
County
Assessor [Archived 05-18-2022] - Assessment Appeals by Town and Class - 2010
Cook County of Illinois —
Assessment Appeals by Town and Class from Tax Year 2010. -
County
Assessor [Archived 05-11-2022] - Residential Exemption Amounts
Cook County of Illinois —
This data displays total exempt EAV and total exemptions by tax code. Since residential exemptions reveal sensitive information about individual taxpayers and... -
DCGIS Data Archive December 2019
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
City
[TEST] Austin Crash Report Data - Crash Level Records
City of Austin —
This is a test dataset for development only. Our official crash record dataset is available here: https://data.austintexas.gov/Transportation-and-Mobility/Austin-... -
DCGIS Data Archive October 2014
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
County
Assessor [Archived 05-11-2022] - First Pass Values
Cook County of Illinois —
As of February 14, 2020 this dataset will be considered archived information and will no longer be updated. First-pass property values as assessed by the Cook County... -
Federal
Preserving Tree-Ring Datasets for Climate and Hazard Research and Understanding Societal Impacts: Carrara Career Samples
Department of the Interior —
Dendrochronological collections during the career of USGS emeritus, Paul Carrara: Douglas-fir (Pseudotsuga menziesii), Black cottonwood (Populus trichocarpa), Spruce... -
Federal
Catalog Archive Storage
National Oceanic and Atmospheric Administration, Department of Commerce —
AFSC has been managing its records according to the Federal Records Management Schedule. The CAS system is an internal record-tracking database and application used... -
DCGIS Data Archive March 2006
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
DCGIS Data Archive August 2007
District of Columbia —
The District of Columbia’s Data program is pleased to offer the enterprise GIS geodatabase archive. This product offers a historic snapshot of the DC GIS data. The... -
County
Assessor [Archived 05-11-2022] - Experimental Single Family Sales Comparables
Cook County of Illinois —
A data set showing algorithmically determined sales comparables for single family properties in Lake Township -
Federal
Travel Manager - Archive
Social Security Administration —
Archive information for the electronic travel system used by SSA employees. The production databases must stay around (by law) till 2017 for query use only. -
City
Dataset Removals
City of New York —
A listing of datasets removed from NYC Open Data and the reason for their removal.